in florida, sandy clay all supporteon a layer of limestone. limestone is like a strainer. the water migrates down and hits florida's underground river, but when there is too much rain or a drought it can create a void like a balloon with air. as that void gets bigger, the earth on top becomes too heavy, and the balloon pops, causing a catastrophic event. a sinkhole. >> geologists say they know when conditions aree

limestone is like a strainer. the water migrates down and hits florida's underground rivers, but when there is too much rain or a drought, it can create a void like a balloon with air. as that void gets bigger, the earth on top becomes too heavy, and the balloon pops, causing a catastrophic event, a sinkhole. >> geologists say they know when conditions are ripe for a sinkhole, but like an earthquake, they cannot predict when or where one will open up. >> the open sinkholes may open other sinkholes. >> reporter: triggers? >> yes, it's possible. because these are connected underground, again, by the same limestone cavity and cave structures. >> reporter: 20% of the nation is susceptible. other likely locations for sinkholes, pennsylvania, tennessee and utah. in scepter, florida, in march, a sinkhole. 30 feet wide and 50 feet deep opened up, swallowing 36-year-old jeff bush from his bedroom. his body was never recovered. here in clermont, florida, 15 hours later, survivors are still anxious. >> i'm still in shock and

this, that water can cause the limestone to dissolve. when the dissolved limestone falls apart, it can create a situation like this, a catastrophic sinkhole. kerry sanders, innocennbc news, clermont, florida. >>> plans to open the eastern span of the bay bridge on labor day are getting a boost. federal officials now signed off on a temporary fix for cracked seismic safety bolts on that span allowing possibly for the labor day opening. federal highway administration official says he sees no ran to delay opening the bridge, the traffic while the permanent fix is completed, the temporary fix involves installing steel plates into the area of those broken bolts to help prevent movement during a possible earthquake. there has been talk of delaying that opening until december when the completed -- the fix is actually completed. >>> meantime, lights on that new eastern span will be turned on tonight for yours and my viewing enjoyment. the lights being installed today on the roadway and the span's main suss steps cable. the lights will gone tonig

the limestone is important in trying to understand this.cid breaks down the limestone and cracks and these cavities form. the home is sitting here. the explanation gets deep here. the collapsing sinkholes happen when the clay that hold the top soil form bridges over deteriorating limestone. then you see things start to give way. as long as that's strong and solid you are okay. but the moment the decay comes down near the limestone you have got problems. one graphic we can show our viewers. the soil collapses from the changes in the weight and the pressure above pore below the ground. that is important, too. you have got the limestone that may be solid sat one moment, unsolid the next and unstable in part because of the amount of weight you are putting on top. it could be from a home, it would be from a building, it could be from a strip mall. >> one thing about this particular property is the association president indicated that they had been tested prior to construction. but your point is well taken which is these processes of additional p

limestone, is that the typical? >> there are holes in the limestone. it dissolves and gets holes in it, there are overburdened materials that overlie that, sand and clay will slowly revel in. it will hold itself together and the cavity can get larger and then it can abruptly collapse and that is what a sinkhole in florida is. gerri: why are they all in florida? >> they're not all in floor to, but a number of areas underlain by limestone and part of the landscape evolution over time, over geologic time. >>gerri: seems there are more ad more sinkholes but the reality may be something different, what is going on? >> there are more things we are doing to the earth's surface, we move drainage around, we pave areas, where kind of more in the landscape so i thing as population increases we will see continued sinkholes. we build in pipelines and disturb the earth materials so i think some is just part of we are mucking around in the geologic material. gerri: in florida and tennessee the good news is you can get homeowners insurance to cover this with the rest

. >> reporter: a massive sinkhole carved out of limestone by drops of water.at a sinkhole looks like from the inside. >> from the inside before you fill it up with sand and dirt. >> reporter: if someone were living on top of it, they would be at risk? >> yes. >> reporter: sunshine state homeowners might be surprised to find out just how common these are. what are the chances of someone having a house in central florida and living on top of something like this? >> very good. not probably as close to the surface as this but you definitely have a cavity of this size all over the state of florida. >> reporter: fossils found in this sinkhole shows it's been around since the ice age but no different than the sink holes we see opening up today. these are just a few of the pictures. the one thing they have in common is water. >> rainwater will turn into ground water and that's what is naturally acid. that dissolves the limestone and will help create the cavities. >> reporter: what sun usual about the sink hole, it's easy to get inside, called the devil's den, it's ope

when the form limestone underground is eaten away by water.hout the support of the limestone, the ground can give way at any moment. one contractor said that sinkholes are a big business there. onwe repair 30 to 40 homes -- a month on average. >> it is not cheap. anywhere from 25 to $50,000 per home. guests at summer bay resort are still in shock and are grateful to be alive. >> i never thought i would have a building fall in. >> authorities are investigating what caused the sinkhole. officials say 40 83-story units are a total loss. >> we are seeing some incredible images from last friday's deadly mud slide and flooding in colorado. one man was killed and three others were initially missing near colorado springs. they have all been found and they are ok. that lifeblood hit after newly 1.5 inches of rain and more he -- more rain could hit this week . >> that looks like a scene out of a movie. >> that is how fast the cars were moving. >> unbelievable. >> a lot of chances for showers overnight and tomorrow. it will be gorgeous. i [indiscernible]

i pass by limestone boulders as big as cars sitting on the bottom.forces are still at work, compounded by the demand for fresh water. >> it is progressively dropping yearly. that's basically over the whole state of florida. the aquifer is getting lower and lower. >> reporter: perhaps most striking to me is how appearances for the sinkhole are so misleading. a single people of sunlight reveals the cavern is even bigger below the water line, with passageways carved deep into the darkness. but most disturbing could be the view from up top. the round opening is deceptively small. little indication of the cavern that's just beneath my feet. until a hole like this opens up, there's really no warning, is there? >> correct. it is that random and that sudden. and it could happen obviously overnight or at any time. >> reporter: it can, and it does. with thousands of sinkholes opening up in florida every year. david massingly, cnn, williston, florida. >> it's incredible to see how big some of these sinkholes are and now widespread they are. coming up next, the

the water will not only erode the limestone but he wrote it. the stalactite. if it has enough momentum, it will carry to the floor if you will get it built up here ye. >> one animal species in particular has been helping to eliminate cave systems all over new zealand. the fittingly named glowworm. >> the glowworms are pretty cool. they are unique species of insects. these tiny insects are somewhere between the size of a poppy seed and a knat. they will live on a hammock for six-nine months. they are covered in the thick mucus. rolf towards the lights the seat, hoping it is the way out of the cave. they get trapped and pulled up and eaten. glowworms will produce somewhere between 10-30 of these. >> the cycle goes through four main stages. the egg stage, barbara stalarvao patients stage, and an adult stage. the price the glowworm must pay when it develops wings is ultimately what causes the life span to be so short. >> once they reach the adult stage of the life cycle, it loses the mouth and died best of system. -- that justice system. all it can

. >> reporter: a massive sinkhole carved out of solid limestone by drops of water.the inside? >> from the inside, yes. before you fill it up with sand and dirt. >> reporter: and if someone were living right on top of this, they'd be at risk. >> yes. >> reporter: geologist jerry black says residents might be surprised to find out how common these are. what are the chances of someone having a house in central florida and living on top of something like this? >> very good. not probably as close to the surface as this, but you definitely have a cavity, cavities of this size all over the state of florida. >> reporter: fossils in this sinkhole show it's been around since the ice age, but no different than the sink holes we see opening up today. these are just a few of his pictures. but one thing they all have in common is water. >> rainwater is going to turn into groundwater. that's the device that dissolves the limestone and will help create these cavities. >> reporter: what is unusual about this sinkhole, it's easy to get inside. called the devil's den, it's open to tou

in florida sandy soil sits on top of clay and that is all supportedly a layer of limestone.o much rain or a drought, it can create a void, as that void gets bigger, the earth on top becomes too heavy and the limestone gives way. but for those who lived through it, all the scientific explanations won't make the experience any lester f-- less terrifying. >> you're shaking. it was that traumatic. >> yeah. >> so sinkholes really are not that unusual in florida if you get in a helicopter and fly over especially central florida, you see these perfectly round lakes, those are formerly sinkholes that became lakes and i know joe knows doubles mills hopper, one of the most popular visiting sinkholes that tourists just flock to check it out because it's so unusual. >> unbelievable. could this sinkhole get bigger? >> it could. i mean, not only could this one get bigger, but they have done some research and they have seen when one opens up often another one opens up nearby. so they're kind of monitoring what's going on. nearby doesn't necessarily mean 100 feet away. it could be a conside

the state sits on a bed of limestone. >>> a kidnapped teenager rescued over the weekend is reunited with her father. good afternoon, ron. >> reporter: good afternoon. hannah anderson's family is thrd ed after fearing the worst for nearly a week. >> i'm so glad she's safe. >> me too. >> that she's okay. she's such a strong girl. >> reporter: before leaving for idaho to pick up his daughter hannah anderson's father texted cnn that he was nervous and excited. james demagio kidnapped hannah last week. he set fire to his home killing hannah's mother and brother. someone saw the story on the news and called the fbi. rescue teams were dropped 2 hours away and they surrounded the camp and demagio was shot and killed by fbi agents. >> thank you. the fbi says demagio had an unusual infatuation with hannah. >>> deliberations could begin today in the karla porter murder for hire trial. closing arguments are now underway. >> karla porter and her attorneys looking for similar ing for -- for sympathy from a jury. >> karla porter says after years of physical and verbal abuse from her husband, ray, she f

a cavity slowly develops in the limestone bedrock. over time it widens eventually breaking the surface, then the clay and sand above collapse into the hole swallowing everything in its path. repairs can be costly. >> i stepped right here and my foot went down in the hole. >> we thought we'd live and die here. we didn't have a plan b. >> reporter: a plan is what sinkhole inspectors say could prevent destruction. >> behind the stucco the block could be broken. just another sign of sinkhole activity or at least enough for you to know to have your place tested. >> yeah, you see the cracks in that foundation there. advice from inspectors, take every crack seriously. indication your house could be moving or siccing. as for ex-fixes, they can be very, very expensive. sometimes they can pump concrete or they install brackets under your house, essentially stilts. very expensive. tens and tens of thousands of dollars. >> and the limestone under much of the ground in florida makes it sinkhole alley. geez louise, that's crazy. >>> a little bit of

the famous mayestown bridge was built by stone masons in 1881 using limestone harvested from the nearbynn. rooms range from 88 to 109 dollars a night with a luxurious 139 dollar loft across the street. theres a maeystown general store lovingly restored by descendants of original settlers. and a few steps away vicis front porch and tea garden serves lunch on saturdays with candlelight dinners by reservation. you can sit outside if you like. theres a beautiful creek that runs in the back of maeystown and all through our backyard. its very pretty, very relaxing. the plots laid out by jacob maeys are remarkably functional like small farms. villagers enjoyed space for a home and business with back alleys and storage and access to water. its a testament to self-reliance and vision and a journey you wont soon forget. thank you for keeping us company on the journey. im julian crews and we hope you'll join us next time were cruisin the heartland. music ♪ [ male announcer ] harvey's i'm so happy you're home dance. that's real love. and so is giving him real tasty food. but some leading dog foods

southwestern japan are enjoying the last few days of their summer holiday not on a beach but in a limestoneave to escape the scorching heat. the daytime high was 34.4 degrees celsius on tuesday. but the average temperature inside the cave is about 16 degrees celsius throughout the year. visitors enjoy dipping their feet in a cold underground stream. >> translator: wow! it's so cold! >> translator: i don't get sweaty, even holding my child. it's very comfy. >> city officials say the heat wave has boosted the number of visitors to 1.5 times the usual number. this week they're expecting over 3,000 visitors per d >>> and that is all for this edition of "newsline." i'm catherine kobayashi in tokyo. thanks very much for joining us.  >> i'm the executive vice president of the wilson center. i want to welcome all of you today. the wilson center was chartered by the congress as the official memorial to our 28th president. it is the nation's key nonpartisan policy form for tackling global issues through independent research, open

much of the state sits on pour rouse limestone, covered in a thick layer of clay. over time, waters eats away at the stone and heavy rains push the clay into the rock. authorities say there aren't more sinkholes just more people to notice them. this is what the area has become today. >> we have a dry season and then the rains come on. about middle of june, about that time you see the sinkhole activity pick up. >> reporter: everyone got out of this building alive, but lost everything they left behind. >>> and tonight, for the first time a father is speaking out about a man he thought was his friend. but that friend kidnapped his daughter and took her to the remote idaho mountains. also accused of murdering other members of the family. abc's ryan owens on what this father said tonight. >> reporter: hanna anderson is finally back home in southern california tonight, after a harrowing week that ended with fbi agents shooting her accused kidnapper in the idaho backwoods. >> as for my daughter, the healing process will be slow. she has been through a tremendous, horrific

southwestern japan are enjoying the last few days of their summer holiday, not on a beach, but in a limestonee to escape the scorching heat. the daytime high was 34.4 degrees celsius on tuesday. but the average temperature inside the cave is about 16 degrees celsius throughout the year. visitors enjoy dipping their feet in an underground cold stream. >> translator: wow, it's so cold! >> translator: i don't get sweaty, even with hold ing my child. it's very comfy. >> officials say the heatwave has boosted the number of visitors to one-and-a-half times the usual number. this week they're expecting over 3,000 visitors per day. >>> that is all for this edition of "newsline." i'm catherine kobayashi in tokyo. do join us again. captioning sponsored by macneil/lehrer productions >> woodruff: the merger between american airlines and u.s. airways hit some turbulence today. the u.s. justice department and several state attorneys general are suing to block the deal. good evening. i'm judy woodruff. >> brown: and i'm jeffrey brown. on the newshour tonight, the surprise legal challenge claimed the merger

much of the state is built on water-soluble limestone, and this particular chunk gave out last night. loud creaking noises breaking windows led residents to call 911, and firefighters had the good sense to get everyone out immediately because gravity always wins. scary stuff. but they got out safe. we do thank you for watching abc news. "world news now" coming up soon with your overnight breaking events. you can tune in to our friends at "gma" for the latest in the morning, and we're always online at abcnews.com. until next time, have a great fight. >> the new bay brim gets green light from the federal government. taking the bridge one step closer toward its opening day. good evening. >> we have the night off. tough to keep up. will it open on labor day as originally scheduled. yes no and tonight now it's maybe. 7 news reporter january thon live on treasure island to explain why new hope for sooner rather than later opening. jonathan. >> even though you can see behind me the new bay bridge pretty much finished we hear it could be december or later before it actually opens. but tonight

. >> they have a lot of limestone under the ground there and the water just kind of erodes and before know it you have a sinkhole. >> no one has hurt. >> no kidding. >> how's the weather here? >>> sunshine around the bay area today breaking out even along the coastline now. we are seeing a little more sunshine out there. yeah, ocean beach cam looking good. haven't seen this much sunshine there in quite a while. finally high pressure building in overhead and the temperatures starting to warm up nicely. already 84 degrees in livermore. 67 very comfortable into san francisco. and 77 degrees in san jose. toward the afternoon hours, looking good. it will be warmer for most of us. a lot of sunshine outside maybe a couple of patches of fog tonight along the coastline and just inside the bay but i think the valleys are going to stay clear. then near seasonal temperatures for now maybe a little bit above average as we head through thursday. high pressure now building in out of the desert southwest. as it does, it will crank up the temperatures especially away from the coastline but more sunshi

they form when groundwater erodes limestone in the bedrock. a florida man disappeared earlier this year when one opened under his home while he was in bed. >>> members of japan's maritime self-defense force have carried out a dangerous operation in busy coastal waters. they detonated a mine thought to have been dropped by the u.s. during world war ii. the device was lying on the seabed of the kanmon straits in western japan. more than 500 ships pass through the narrow waterway on a daily basis. workers discovered the mine during a dredging operation off the coast of shimonoseki city. they moved it about four kilometers away into the ocean to blow it up. defense officials said combatants laid at least 4,500 mines in the strait during the war. it's feared many of the explosives are still lying on the sea floor. students and staff at a university in okinawa are remembering a terrifying day at their campus. they've marked the anniversary of an american helicopter crash on the grounds by calling for the closure of a nearby u.s. air base. the incide

much of the state sits on porous limestone, covered in a thick layer of clay. over time, water eats away at the stone. and heavy rain helps push the clay into the rock. authorities say there's not more sinkholes, just more people to notice them. this is what the area has become today. >> we have a dry season. and then, the rains come on in about the middle of june. about that time, you see the sinkhole activity pick up. >> reporter: everyone got out of this building alive. but lost everything they left behind. steve osunsami, abc news, clermont, florida. >>> a major legal battle -- victory for embattled southern chef paula deen. a federal judge has thrown out a racist discrimination suit brought to deen by a restaurant manager. she claimed she suffered from sexual harassment and talk that were unfair to black workers during her five years in employment. it was during a deposition in the case that deen admitted she had used racial slurs in the past. deen's spokesperson says in part, she is confident that those who truly know how she lives her life know that she

much of the state is built on water-soluble limestone, and this particular chunk gave out last night. loud creaking noises breaking windows led residents to call 911, and firefighters had the good sense to get everyone out immediately because gravity always wins. scary stuff. but they got out safe. we do thank you for watching abc news. "world news now" coming up soon with your overnight breaking events. you can tune in to our friends at "gma" for the latest in the morning, and we're always online at abcnews.com. until next time, have a great fight. >>> "omg insider" the top trending stories you need to know. >> this is very special to me. cory became a part of all of us. >> leah michele's tearful tribute to cory monteith. >> plus, miley's message to liam, and rebel gets bleeped. >> it was a band called one direction. that's the name -- >> then usher's son in the photo from the hospital and his condition today. >> he was supposed to go home over the weekend. >> plus, bieber's surprise for his grandma and what jennifer aniston was celebrating with justin. >> one little kid said please

much of the state sits on porous limestone, covered in a thick layer of clay. over time, water eats away at the stone. and heavy rain helps push the clay into the rock. authorities say there's not more sinkholes, just more people to notice them. this is what the area has become today. >> we have a dry season. and then, the rains come on in about the middle of june. about that time, you see the sinkhole activity pick up. >> reporter: everyone got out of this building alive. but lost everything they left behind. steve osunsami, abc news, clermont, florida. >>> a major legal battle -- victory for embattled southern chef paula deen. a federal judge has thrown out a racist discrimination suit brought to deen by a restaurant manager. she claimed she suffered from sexual harassment and talk that were unfair to black workers during her five years in employment. it was during a deposition in the case that deen admitted she had used racial slurs in the past. deen's spokesperson says in part, she is confident that those who truly know how she lives her life know that she

most of the state sits on porous limestone. >> it burns through the rock.ing hundreds of thousands of years. >> reporter: this sink hole near orlando forces dozens to evacuate. another one in florida earlier this year turned deadly, killing this man as he laid sleeping in bed. perhaps there is no greater visual of a sink hole's destructive power than this. >>> when we come back breaking tonight, an amazing tale of survival, a man tossed overboard and a pop star who surprised an entire flight. he didn't say this is your capital speaking. he sang instead when we come back. going all the way down my leg. it was very painful situation. i'm very athletic and i swim in the ocean. shingles forced me out of the water. the doctor asked me "did you have chickenpox when you were a child?" the pain level was so high, it became unbearable. at humana, our medicare agents sit down with you and ask. being active. and being with this guy. [ male announcer ] getting to know you is how we help you choose the humana medicare plan that works best for you. mi familia. ♪ [ male a

. >> reporter: florida is prone to sinkholes because the ground is made up of limestone, which easily diswill solves in water -- dissolves in water. but most are small. the developer says there were no signs of any problems at the resort before sunday night. wjz eyewitness news. >> now, the developer says testing was done before the resort was built about 15 years ago and it showed the ground was stable. >>> a man flying out of bwi marshal airport is caught with a loaded gun and extra ammunition in his carry on. tsa officials spotted this 383caliber handgun along with a magazine carrying extra rounds. he was arrested and later released. >>> little italy fights back. one of baltimore's top dining destinations says resent crime is driving business away, so community leaders are taking neighborhood safety into their own hands. wjz is live in little italy right now. kai jackson has the efforts to keep criminals out and welcome visitors back in. kai? >> reporter: that's right, denise. residents and business owners in little i takely are stepping -- italy are stepping up in a big way to pro

sinkholes are common in florida because much of the state sits on limestone. it's easily compromised by water below or heavy rains above. at the resort, they're watching a small lake that sits in front of the collapsed buildings. if the water suddenly disappears, they'll know it's growing. abc news, clermont, florida. >>> and next tonight, we have a headline for everyone who's had enough with the airlines, the high prices and fees on just about everything right down to the pretzels. the government will try to block the merger of american airlines and u.s. airways because it would hit the customers harder. david curley has that story. >> reporter: fliers already feel the frustration, the squeeze in the cabin, more seats in packed planes, and all those fees, a bag, 25 bucks, more leg room, $45, even a snack, 3-8 bucks. >> the baggage is a pain in the rear end. >> reporter: but tonight the u.s. government says, this is a quote, the consumers will get the shaft if american airlines is allowed to merge with u.s. airways. >> i wouldn't be surprised if prices go up.

>> below florida is a layer of limestone. that's a rock. but the acid rain that's going through the soil into the limestone is dissolving the lime, dissolving the calcium. when that happens you get a bridge under the house or the road, whatever it might be. when this acid rains through and gets into this limestone there becomes a hollow under here. that hollow begins thin enough, everything falls in. that's where the sink hole happened. there have been some sink holes on property of disney. there is not on disney property. a couple miles to the west. here's downtown disney right there. the sink hole maybe four or five miles west of there in lake county. the summer bay resort right through here. my house was three mimes southeast of there. if you look at that. look at that. look at that right there. those were all old sink holes. look at disney. pretty good piece of property. there are some sink holes. but this is a more sandy soil. back out to the west just a few miles, a clay soil. so the sink homles are out ther, the very volatile ones. t

they are created when the layer of limestone beneath the soil is washed away by seeping water. the thin bridge of clay and soil that remains can collapse. sinking into the cavity below. everyone at the resort made it out safely. when you look at that and you think that you and your child were in that room... >> it really was a near-death experience. all i can do is be so very thankful. >> reporter: the sink hole is two stories deep and possibly getting deeper. scott, a team from the u.s. geological survey arrived this afternoon to determine whether it might also grow wider. >> pelley: manuel, thank you. a father has been charged with interfering in the adoption of his daughter. shooting stars are lighting up the night sky. and an emotional reunion as a mother panda meets the cub she hasn't seen since birth. when the cbs evening news continues. continues. [ bottle ] okay, listen up! i'm here to get the lady of the house back on her feet. [ all gasp ] oj, veggies -- you're cool. mayo? corn dogs? you are so outta here! aah! 'cause i'm re-workin' the menu, keeping her healthy and y

because these are connected undergroun, again, by the same limestone cavity and cave structures. >> reporter: 20% of the nation is susceptible. other likely locations for sinkholes, pennsylvania, tennessee and utah. in florida in march, a sinkhole 30 feet wide and 50 feet deep opened up swallowing 36-year-old jeff bush from his bedroom. his body was never recovered. here in clermont, florida, 15 hours later, survivors are still anxious. >> i'm still in shock and just very, very thankful. >> reporter: lester, the sinkhole right now is about 100 feet wide about 15 feet deep they guess as looking down there. the likelihood of something like this is being struck by lightning, which, as we know, can also happen. >> we've seen them before, kery. sounds like a bit of a guessy game. what can home owners do or know ob going into a neighborhood that's at risk? >> reporter: get a geological survey too look down there. a situation that's constantly changing depending on the rain situation. even the bubbles don't necessarily tell thru is going to be a catastrophic collapse. one thing everybody needs, sin

they riddled the state of florida because most of the state sits on pourous limestone. >> it burns through're talking hundreds of thousands of years. >> reporter: this sink hole near orlando gulped down part of a resort, forcing dozens to evacuate. another one in florida earlier this year turned deadly, killing jeff bush as he lay sleeping in bed. perhaps there is no greater visual of a sink hole's destructive power than this. matt gutman, abc news, louisiana. >>> when we come back, breaking tonight, an amazing tale of survival, a husband who survived 18 hours, tossed overboard, no life jacket. where this happened when we come back. >>> and a pop star who surprised an entire flight. he didn't say, "this is your captain speaking." he sang instead, when we come back. instead, when we come back. it was very painful situation. the rash was on my right hip, going all the way down my leg. i'm very athletic and i swim in the ocean. shingles forced me out of the water. the doctor asked me "did you have chickenpox when you were a child?" the pain level was so high, it became unbearable. at humana,

it sams depression that forms on rock that's easily dissolved like limestone or salt.part of the natural process of erosion in florida. it's been happening for thousands of gleerts sunshine state -- thousands of years in the sunshine state. martha: ted koppel says the obama administration overreacted to the terrorism threat. >> with a conference call, al qaeda has effectively shut down 20 u.s. embassies around north africa and the middle east. there will continue to be terrorism as it has been since history exist. terrorism is the weapon by which the weak engage the strong. and they cause us the strong to overreact. martha: what do you think about what he said? >> he's got a point. we were not prepared for benghazi a year ago. that's incompetence. that's not under reaction or reaction. i think we justifiably shut down those embassies in an abundance of caution? but writes the incompetency in we blew all our methods. afghanistan we had the right to go in and kill the people who killed our people. but instead of the last 10 off them. we should have followed them over the

water eats away at the limestone and eventually it just makes the ground collapse. >> give way.lievable. trace, thank you. >>> there is loophole in u.s. immigration policy that is apparently causing serious problems along our border right now with mexico. we have a fox exclusive on how people are now applying for political asylum using just three unique words to get across the border. and we have live pictures coming back from egypt as we hear growing concerns on what could be the brink of a much larger tries crisis in the square there, when we come back. hey, it's me, progressive insurance. you know, from our 4,000 television commercials. yep, there i am with flo. hoo-hoo! watch it! [chuckles] anyhoo, 3 million people switched to me last year, saving an average of $475. [sigh] it feels good to help people save... with great discounts like safe driver, multicar, and multipolicy. so call me today. you'll be glad you did. cannonbox! [splash!] >>> fox news alert. a sudden flood of immigrant pouring into the united states from mexico. all using the same legal loophole that allows th

much of the state sits on porous limestone in a thick layer of clay. over time, walter eats away at the stone and heavy rains help push the clay into the rock. authorities say there aren't more sinkholes just more people around to notice them. this is a photo where the latest sinkhole opened up. this its what the area has become today. >> we have a dry season. then the rains come on, about the middle of june. about that time you see sinkhole activity pick up. >> reporter: everyone got out of this building alive but lost everything they left behind. steve osunsami, abc news, clairemont, florida. >>> tragedy at a baseball game. a fan at turner field fell 60 feet to his death during the braves' home game last night. it happened after a lengthy rain delay. nearly 90 minutes. investigators are trying to find out how he fell. the second fatal fall at that stadium. >> really tragic situations when these happen at ball games. happens a lot. the third fatal fall in atlanta. not at the stadium in atlanta. remember the one, involving josh hamilton, texas rangers,

much of the state sits on pour rouse limestone, covered in a thick layer of clay. over time, waters eats away at the stone and heavy rains push the clay into the rock. authorities say there aren't more sinkholes just more people to notice them. this is what the area has become today. >> we have a dry season and then the rains come on. about middle of june, about that time you see the sinkhole activity pick up. >> reporter: everyone got out of this building alive, but lost everything they left behind. >>> and tonight, for the first time a father is speaking out about a man he thought was his friend. but that friend kidnapped his daughter and took her to the remote idaho mountains. also accused of murdering other members of the family. abc's ryan owens on what this father said tonight. >> reporter: hanna anderson is finally back home in southern california tonight, after a harrowing week that ended with fbi agents shooting her accused kidnapper in the idaho backwoods. >> as for my daughter, the healing process will be slow. she has been through a tremendous, horrific

. >> florida is prone to sinkholes because the ground is made up of limestone which dissolves in water. there was no problems before sunday night. melanie woodrow, wjz eyewitness news. >> the developer says testing done before the resort was built 15 years ago showed the ground was stable at that time. >>> the military trial of major hassan resumes today in texas. he's representing himself in the fort oo wood shooting massacre. 13 fellow soldiers were shot and killed in november of 2009. so far he's watched in silence as more than 40 witnesses described how he prepared and carried out the massacre. >>> sentencing for the hearing of army private bradley manning is tightened after this courtroom video appears online. it's set to a track of people chanting free bradley manning. manning is expected to make a statement wednesday. he faces up to 90 years in prison for leaking classified documents to wikileaks. >>> tonight the city council is expected to make a preliminary vote on the plan to give $107 million to the harbor point development. groups against that plan say they will continue to

martha: right. >> so what we were thinking about doing turning the cross so it faces one of the limestonefight this, which we, i still intend to do, even if i do turn it, it is going to take three years. i don't know if it is worth the three years, to wait to build the memorial. martha: well, i commend you, for taking this on and making it your personal way to remember all of those who were lost and good luck to you. >> thank you. martha: and we all hope fellow folks in new jersey can come visit one day when you're done. roy, thank you very much for spending time with us today. good luck to you. bill: going on 12 years too. martha, thank you. jon scott "happening now" rolls your way. 12 minutes and counting. >> working on it, bill, working on it. the u.n. security council meets on syria today as tensions mount. it appears more likely that the u.s. could launch a missile attack on syria in retaliation on a chemical attack that left hundreds of citizens dead. all this with iran threatening to hit israel if the u.s. strikes israel -- syria. reuters report today on obamacare. we'll fill you i

but it is florida's natural geology, swiss cheese-like limestone bed rock that made the statd the moste prone in the nation. not far north. >> i came over and as i was walking out here i stepped right here and my foot went down in the hole. >> reporter: while it may seem there is a sudden rash of sinkholes particularly in florida, brinkmann says it has more to do with geography than geology. for outfront, cnn miami. >> still to come, what happened on the afternoon that 13 soldiers were shot and murdered by one of their own? tonight a moment by moment account, the first from the major nidal hasan trial. >>> how much does it cost to raise a child? we have the exact shocking dollar amount tonight. plus the photos that led to this. >> abal put that camera down. you are fired. out. >>> you have seen clips of rockets taking off. this one flies 500 feet into the air. it moves side ways before it does this, comes back down and touches down. currently rockets burn out as they go into space. reusable ones like this would be a lot cheaper. can you imagine it goes up and comes back down and it is

they riddle the state of florida because most of the state sits on porous limestone. >> it literally through the rock. we're talking hundreds of thousands of years. >> reporter: this sinkhole near orlando gulped down a part of a resort. forcing dozen dozen to evacuate. another one in florida earlier this year turned deadly killing jeff bush as he lay sleeping in bed. perhaps, there is no greater visual example of a sinkhole's destructive power than this. matt gutman, abc news. >> can't believe it. incredible videos. >> like jaws. never want to go into the water. >> no doubt. happened a year ago. still growing. 350 residents in the community had to evacuate indefinitely because it has grown to 24 acres. no end in sight right now. >> i didn't know that's how you get salt. pumping it out. >> wouldn't it be easier to desalinate the ocean. >> not that tech savvy. >> yes. there's what happens when you get the salt that way. crazy stuff. coming up, outrageous case of stolen photos. meet the woman whose story of personal triumph has been stolen time after time by unscrupulous weight loss pro

sandy soil sits on top of clay and that's supported by a layer of limestone. when there's too much rain or a drought it can create a void. as the void gets bigger the earth on top becomes too heavy and the limestone gives way. but for those that lived through it, all the scientific explanations won't make the experience any less terrifying. >> it's hours later. hold your handout there, are you calm? you're still shaking. >> yeah. >> it was that traumatic. >> yeah. >> reporter: the tourists who scrambled to safety left behind their clothes, their laptop computers, just about everything. they're working with the red cross now to at least get some of those things together while they try to piece together their continued vacations at disney. matt. >>> kerry sanders, thank you very much. attorneys for james whitey bulger are already working on an appeal for the notorious boston mob boss. he was found guilty on racketeering, conspiracy and a string of murders. kristen is at the federal courthouse in boston. good morning. >> reporter: good morning, matt. the newspape

a cavity slowly develops in the limestone bedrock. above collapse into the hole and everything is wall swallowed up. while these events are rare, sinkholes in florida are not, according to state insurance statistic, between 2006 and 2009, there were nearly 12,000 claims in the state's most sinkhole prone counties. many of the people here are retirees to florida. >> we came from colorado and i didn't know how to spell sinkhole. >> now, they're living with one. >> and coming up in the 3:00 eastern hour, we're going to give you a rare view from inside a sinkhole. david matingly dives for a peek, literally swimming in one. >>> "duck dynasty" has taken the cable world by storm, but sometimes, all that facial hair, well, it can kind of get in the way. it might have gotten one of the brothers kicked out of a fancy hotel. [announcer] there's no hiding the goodness of the latest from beneful baked delights. new heartfuls are made with real bacon... ...and oven-baked to crisp perfection. new heartfuls from beneful baked delights. this man is ab

a cavity slowly develops in the limestone bedrock. over time, it widens, eventually breaking surface, then the sands and clay collapse into the hole swallowing everything in the path. repairs can be costly. >> i stepped here and my foot went down in the hole. >> we thought we would live and die here. we didn't have a plan b. >> a plan that could prevent destruction. >> the block could be broken. just another sign of sinkhole activity. enough to know to have your place tested. >> the experts who test the buildings say look for cracks. take every crack seriously. that is a sign that a building or house may be moving or sinking. in florida alone, nearly 25,000 sinkholes reported in five years. that's like 17 a day. >> that is very scary. there's the crackling you can hear, too, that you know. >> the sound is terrifying. no one was hurt in that building collapse in florida, which is amazing and very lucky. >> six minutes past the hour. heavy rains. that could mean more flooding. indra petersons has the forecast. good morning. >> we are st

." >> florida's limestone, limestone actually is porous. it ends up developing holes that come that come through it and dissolves in water. over time, you can't have this, particularly when you build heavy structures on top of it. one thing if there is an orchard on top of it. another thing if you a building development on top of it. it can wear it down. >> a story last week that part of tiger woods' house down on jupiter island was sinking. they had to come in and stabilize. >> it is limestone, a porous rock, dissolves over time, particularly in acidic water when they go through decaying plants. yeah. whoa. we do have -- >> a little news. >> just hearing that bill ackman is resigning from the board of jcpenney. this is bill ackman, pershing square capital management, resigning from the board of jcpenney. jcpenney board is also reaffirming support for ceo mike ullman. the chairman. >> and electing a new member to the board, ronald tyso, is that how you pronounce it, elected to the board. >> okay. this changes the situation. ackman, we belie

titus says the heavy and prolonged rainfall prior to the landslide saturated the ground, turning the limestone rock and soil into an oozing muck. >> all this is astonishing. it's almost like watching water flow by. >> wave after wave of soil, rock and trees break off and crumble down the mountain. the landslide keeps going and going and going. this scene lasts for 30 minutes, and petritsia and mauricio record it all. >> the effect was truly hypnotic because of what was happening. to tell you the truth we accepted the images later. >> despite some people choosing not to evacuate, nobody is injured or killed and perhaps more astonishing, no homes are lost. >> translator: we were in an area totally outside of the town. the last house that's visible is precisely the last house in town. there's nothing beyond that point. there's only a road that links it with another town that now doesn't exist anymore either. >> after they visit the landslide area two years later they are concerned that no repairs have been done. the road is still not fixed and the mountain side is not secured. mauricio is especia