when they dumped the rock into the bay mud, it was like dumping rock into jello. it went down into the mud so that they could build off of that. it then took the angle of repose. it is stable. san francisco came and built piers on piles over the top into the water. >> the piers are built up over the water. >> refusal is when you cannot advance the pile anymore. this is under the bay mud over there. they meet refusal. they gain support and bearing on top. saltwater attacks concrete. in the old days, they did not understand the effects of salt water, chloride on concrete and steel. a lot of these piles may have started out 24 inches in diameter. they may only be eight or 10 inches in diameter now. whatever steel was in there is long gone all along the waterfront. >> wonderful buildings. at the double dog and a beer. >> this is wonderful. it is right on the waterfront. it is due piles. >> that is the location of what is now the san francisco port authority? >> yeah, port offices. and there is a new office there and slip. this is one of the few places where they recent

the rock under here is franciscan. it is sandstone. it is probably the hardest rock in san francisco at this location. we have just recently completed an investigation for the expansion of cathedral school, and they chose to go down 20 feet below the surface of the street, and it was incredibly hard. it was harder than the concrete that was placed as a foundation. the rock beneath the concrete was 10 times stronger than the concrete that is used to support the building. >> okay, moving to another part of the city, this is the eastern side. >> this is on army street? >> yes, this is army st., se. look at all that stuff. it is an active city. >> a lot of the old industrial, the american can co., goodman lumber. all that good stuff. >> wow. >> and this building is one of the examples of remaining 1906 earthquake damage. it has been repaired above, and that is where they repaired the damage. what did they found these buildings on, back in the early days? >> those days, remember i mentioned early on, it would use of redwood grillage and they

because of this blasting that occurred, the rock is weak. while most of the time, there are times of heavy rain. sometimes, this has nothing to do with the rainfall. iraq is 50 to an old and then it just falls. in this particular area where we're standing, we have seen the wall at the base. >> the big steel beams with the fence. this is an effective way of preventing the rock that does fall from causing damage. that might protect the bottom of the hill but it doesn't do anything over the hill. >> it has long been my understanding that the city of san francisco says and the building department takes this position that there is no one buildable lot -- unbuildable lot. i wonder if this is realistic. >> if money is an issue, we can develop solutions that will mitigate the impact. that a solution can be eliminating the hill, that can eliminate the problem. or build a structure right into the hill so there is no longer an exposed face or bold enough of iraq together so that it acts as a big buttress to prevent further movement. -- or hold enough of

the rock arrangement is made up of some of the largest stones in ogagimaishi. the complicated formation makes you think that ancient people must have wanted to express something. what was it that they wanted to depict? he long had been searching for the answer. it it was the summer solstice years ago. immediately after the noon siren went off, a thin ray of light shone through an opening and formed an isosceles triangle. >> translator: i think it's a piece of art created by our ancestors. i can't describe how beautiful it was. in fact, many arc area logical sites around the world made good use of the sunlight, the mayan civilization created a pyramid where a shadow in the shape of a serpent emerges on the spring equinox. elsewhere, in ancient egypt a temple was built in such a way that the morning sun illuminates a sculpture of a king inside on his birthday. ancient people use sunlight in every way imaginable. >> translator: there are many famous archaeology cal sites in the world, but not one creates a clearcut triangle like this place. >> wouldn't your family

and will even take a boat to see the rocks. the sun millions of birds and all looks like a pillow that has been torn into pieces. a magnificent view. looking at. on. the arm. to. more news today violence is once again flared up. these are the images go karl has been seeing from the streets of canada. sheinkopf orations the world today. airplanes arriving at nicole scoria airports are a welcome event for the population of paranoia and in winter time flights are often come see because of gale force winds and poor visibility. sometimes regular service does not resume full weeks at a time the islands a known for their rigorous climate. here cold on thick waters clash with the warm currents coming from the southern seeds creation humid climate. zimm witnesses winters here very long admission oh in may or in early june. in fact i'm sure you will see snow. and his paintings surrogate past the new york tries to recreate the beauty of the local nature over many years he's traveled around the commander islands. most of his works were insp

from what you can take a boat to see the rocks. the sun millions of birds it all looks like a pillow that has been torn into pieces. magnificently you. looking at. on. the arm. to. the be. the best. there are clouds childhood was a shadowed by this tragedy. they still feel the fear they faced. and remember every second of this nightmare. that will remain in their memories and hearts forever. and it seems so. innocent the be chuck a little angel on our cheek. airplanes arriving at nicole scoria airport are a welcome event for the population of paranoia and in winter time flights are often cancelled because of gale force winds and poor visibility. sometimes regular service does not resume for weeks at a time the islands are known for their rigorous climate. here cold arctic waters clash with the warm currents coming from the southern seas to create a humid sub-arctic climate. zimm witnesses winters here very long and may snow in may or in early june. in fact i'm sure you will see snow. and his paintings surrogate has a new tries to re

the world you can take a boat to see the rocks. the sun millions of birds it all looks like a pillow that has been torn into pieces. and magnificent are you. going to pick. on the. goodness. the. british stock. market. find out what's really happening to the global economy with. the global financial headlines. airplanes arriving at nicole square airport are welcome events for the population of barren island in wintertime flights are often cancelled because of gale force winds and poor visibility. sometimes regular service does not resume for weeks at a time the islands are known for their rigorous trial and. here cold arctic waters class for the warm currents coming from the southern seeds to create a humid climate. zimm witnesses wonders here very long it may snow in may or in early june. in fact i'm sure he will see snow. in his paintings surrogate past the new king tries to recreate the beauty of the local nature over many years he's travelled around the commander islands. most of his works were inspired by his trips. now surroga

and one of the most spectacular sights is a beautiful on the charles so it's rock. it's large drops drip. down from a height of two meters you would never reach the caves bottom of. a winding road of relic plants looks between the rocks of the reefs a national park a park is under the special protection of a cause it covers a total of forty thousand hectares many of the plants are unique in that they can only be found in this region. that. age patch of land in a year is unique because it is inhabited by rare plants and animals. the road goes uphill only way to the much celebrated pride of the republic lake greets it was forms of the nile stude of nine hundred fifty meters above sea level following a rock slide that is described as a remarkable natural creation and the most attractive site on the black sea shore of the caucuses. always a. lake or it was born as a result of an ancient earthquake. and that's how it was filmed. instead has about one hundred thirteen majors but it's just not enough yet that of the lake is the jewel of the entire caucasus as well as at huz

in one case the rock smashed the back window. water officials say they don't know what caused the main to break and city officials say they don't know either. >> the age of the pipes are approximately late '50s, '60s. i'm not aware of when the last repair or replacement was done on the street. >>> there are questions about an iconic mural in san jose. the mural of a mexican warrior has been on the corner of 4th and taylor streets for the past 25 years. this week it was painted over. this is video we shot this morning. a change came as a shock to the artist. whoever covered it up and why remains a mystery. >>> dramatic moments in cairo, egypt as former president mubarak goes on trial for corruption charges. he's automobiled of ordering the killing of protesters during the demonstrations that -- accused of ordering the killing of protesters during the demonstrations that killed. he was in a caged-off area with nine codefendants, including two of his sons. if convicted, he could get the death penalty. the judge ordered him on return

whenever the rocks stepaside the i can see rooftops in the valleys. this is the abkhazian region of spain many local people left their homes during the conflict with georgia now they are coming back. the could was a favorite tourist attraction before the war but it's seen few travelers in the past two decades. now visit to school once again admire the picturesque landscape mountain lakes the fools and the unique flora. tourists who used to come to. when it was still a serviette republic. travelers have us. every mountain path that anybody tourists come in now because this is the pace for place again. the books would forest is one of the most revered places in all of them cause as well as in the could dorie. the stream running through the marriage which creates a special microclimate. the grooves of most covered trees look like they've been sprinkled with emeralds. the village of as sits near the fairy tale scenery. each morning the butty ships go about their household chores. they have cows and let me go. every day husband and wife battalion club make

maybe it's wishful thinking maybe the rock fiasco is the last gasp of that echo thing. there's the stones drumming i just primitive beat as the human mob and it was just another manifestation of the rock drug slobbery cult in which he could say good riddance. and so i use this event in the book to -- 'cause i think it helps us to apprehend the powerful appeal of these underground newspapers for young readers in the 1960s. the tribe reporters lacked any objectivity and they had forcefully written opinions and they grew out of their subculture and the examiner was the flagship of the hearst newspaper chain used this prefabricated template they described this event as another woodstock style concept and they got it completely wrong. these underground newspapers started emerging as i say in the mid-'60s. someone pointed out technically they represent maybe one of the largest and most spontaneous growths in the history of publishing. in 1965 there were five such newspapers. there was the berkeley barb and the free press there was the east village in new york and there's a pa