this is "nightline." >> tonight, crash course. this is what it looks like when nine tons of steel smash into a wall. every day, millions of children ride school buses that are not equipped with seat belts. is there a better way to keep them safe? exorcism exposed. some in this corner of india believe their ills can be cured with supernatural powers. thousands of women have come to the guru who claims he can vanquish their demonic possessions for a fee. tonight we're finding out what that really looks like and if it costs more than meets the eye. and natural beauty. it wasn't a beach making waves in this bikini shot. supermodel cindy crawford featured as never before in an

unretouched photo going viral online. not for the reasons you night think. but first the "nightline 5." ♪ i kiss her and she kissed me ♪ ♪ like the fellow once said ain't that a kick in the head ♪ >> welcome to the most social car we've ever designed. the all-new nissan morano. nissan. innovation that excites. >> number one in 60 seconds.

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like when a school bus crashes. along with the knowledge most of those buses don't have belts. regulators say they are safe. could they be safer? here is abc's paula ferris. >> accidents like these unfold in a fraction of a second. but the images of mangled buses and shell-shocked students linger long after school bus crash sites have been cleared. which is why we are here to watch nine tons of steel smash. with high speed cameras this team of engineers is able to freeze time yet analyze what happens when a school bus crashes when the vehicle and its precious passengers more likely

than not wear seat belts. >> we find we can do better than what is offered today. >> the results of this crash test in a molt. parents and safety advocates have questioned why most school buses are not equipped with seat belts. it might be an obvious question. >> this is where it's challenging. you are taking a system that's already safe and saying make it safer. you don't want to have any unintended consequences. >> nearly 24 million students commute on school buses every day. >> 922, what is your emergency. >> a school bus ran into the underpass at emerson and english avenue. >> but when tragedy strikes like on this morning in indianapolis.

>> i believe my daughter would still be here if she had a seat belt. >> her 5-year-old was on her way to school. >> it feels like it's fresh every day. >> when her bus slammed head-on into a bridge. i send her with her daddy do get on the bus. she will never come back. >> she had kennedy she always shared. >> but he doesn't remember the accident. he fell asleep. >> i just woke up. somebody touching me and it hurt. >> do you think he would have suffered the extend of those injuries had he been wearing a seat belt? >> all i know he wasn't in one. he ended up with a broken femur, two

only six states require all school buses to be equipped with sbets. >> when you get in your mom's car, what's the first thing you do. >> i put on my seat belt. >> but you don't have to wear a seat belt on a bus. does that make sense? >> no. but there is not one on a bus. >> that's because school buses have been specifically designed to protect children without seat belts. >> the national transportation staest board, the make policy. they make recommends. >> we are talking about the science of the school bus. >> we have a school bus that works extremely well large,

heavy vehicle. we have come part mentalization. >> that reverse to the high-backed seats like a protective envelope absorbing energy during a crash. this is one of the reasons federal regulations do not require seat belts on a bus. >> when you look inside, you think lap and shoulder belts can reduce injuries and fatalities. >> one of the leading school bus drivers invited abc news for a look at how they could help school buses. >> we get a preview. >> inside the bus. what you see, these will be high-speed videos, about a thousand games in per second. we have dummies that have instrumentation in them.

>> so the dummies aren't so dumb. >> three be telling us a lot. >> only four a belted. >> we have 20 different cameras rigged up. this bus is going to crash into that wall 30 miles an hour. i am a little nervous. >> oh, my gosh. let's see the extent of the damage. >> there kid that was leaning over, look what he did to the seat. he bent the seat in half. >> when the occupant hits the back, it does absorb energy. >> what it's designed to do. >> when they are out of the compartment, they will come ou >> using injury criteria the crash test dummies do worse than the ones belted in. >> 50%.

>> 50%? >> you are in a side impact and restrained, that's better than not being restrained. >> it's imperative in side impacts and rollovers. >> they are thrown out of the vehicle and hit hard surfaces of the roof of the vehicle. >> we wanted to see what nhtsa had to say about this new they say school buses are one of the safest foefrms of transportation without seat belts. but when i went to see them, suddenly a different story. >> do you believe school buses would be safer with safety belts? >> our job is to help save lives

and prevent injuries. our kids are precious. every day they go to and from school we want them to be safe. we know seat belts save lives. >> why isn't there a federal map date? just weeks into his role as top dog, he is promising a full review. >> i am the new guy, fresh eyes. s to that mean we might change things? we may. we will take every action we can take to help those kids be safer. >> we will see if this leads to new regulations. if it does, it could provide a small measure of purpose. >> my baby was a sacrifice. that will be her legacy. next, why do these women believe they are possessioned by

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we will now take you to a place where the supernatural is serious business. women here come to so-called gurus for help vanquishing evil spirits. but they pay for it and not just with money. now others are risking their own lives to help by fighting against superstition. here's abc's gloria riviera. >> reporter: the screaming starts at dusk. [ screaming ] >> reporter: it sounds like someone's begging for mercy. this is central india, the temple of guru maharaj. a place where the dead and the living come together. [ screaming ] >> reporter: they're here for an exorcism. this woman is believed by her husband to be possessed by demons. she's not alone. locals say thousands of women have been brought here over the

years by their husbands or families where a reclusive guru claims to drive off demons and restore sanity. for a price. we're on a journey across india to find this guru and witness a rare mass exorcism at his temple. along the way, we see just how early the idea of demonic possession takes root. these students are being taught in school that exorcisms are just a show. >> this teacher is intent on teaching these kids black magic doesn't exist. but it's so ingrained in their culture. all these kids say, yes, of course we believe. >> reporter: to get rid of ghosts rural india has traditionally relied on gurus claiming to have supernatural powers. but we're here with this man, d.b.ruwat. he says it's all a sham. >> it's an attempt to keep

people subjugated for years in the name of religion. >> reporter: most often, he says, it is women who are wronged. >> these kind of things are used against women. a woman can be easily declared a witch. >> reporter: being a rationalist, as they're known, exposing black magic, is dangerous work in india. just last year a rationalist pushing for an anti-superstition law was shot dead on his morning walk. >> it is dangerous. it is dangerous because you're challenging the state. >> reporter: when we finally arrived at the temple, it does feel otherworldly. this is where we meet krishna, she's lived at the temple for a year. her husband tells us her ghost abuses her and won't let her have a son. >> she starts strangling herself, hurting herself. can she tell us what she feels like? >> reporter: she gets aggressive, he says.

she can't speak. when the ghost takes hold, her eyes go wild, her body trembles, she claims she's not herself. grabbing her hair the guru begins questioning her. where have you come from? are you going to leave this body or not? tell me, are you going to leave this body or not? yes, i will leave the body, baba, i will leave the body. it's over quickly. and krishna appears to return to normal. for the faithful, they come for the exorcism. the next day the reclusive gu rue finally agrees to see us. >> we have to go. we must be very fast, five minutes only. >> reporter: the guru observes us from the shadows. >> how can you tell that they're truly cured of the ghost? >> reporter: he tells us the temple has the power to cast the evil spirits away.

he takes no credit and no responsibility. >> will these people die without your help, without the help of the temple? >> reporter: he says it is the temple and the original guru, his ancestor, who heals, not him. he's merely a caretaker. >> have you seen women who haven't been able to have a son, have you seen them come back with baby sons? >> reporter: it may take 15 years, he says, but yes. before we can ask more our meeting is interrupted. a group of rationalists is here to confront the guru. >> you sense trouble here? >> of course. >> reporter: we were promised exorcisms but the unexpected guests have changed the program. in minutes the temple is shut down. closed for the night. >> yeah, but that's not fair. that's not fair. >> reporter: after the rationalists leave, the temple staff invited us back the next night. >> you can come here tomorrow

and witness miracles. >> reporter: we try once more. arrival after sunset. this time we're the only outsiders. the men and women separate. the chanting begins. fire passed. women ready to submit. this woman feels the pull. but pressed the insider does not respond. suddenly something appears to take hold of krishna again and she lunges forward towards the altar. her ghost apparently still there. the night we were at the temple we were told were cain. freelance journalists provided us with this video taken week after we visited. one after the other women approach the altar. they are belittled, shouted at, and more, even beaten.

>> people who watch see that it is a cult, like beating another woman. the problem is that is a woman who is beaten up. >> and worse. >> it's public humiliation. >> reporter: the night we were there it as frantic, desperate scene. as krishna reawakens she tells us her family wants her to stay until she is certain her evil spirit is finally gone. for "nightline," gloria riviera, india. next, why one photo of a supermodel is going viral tonight. and the surprising reaction from her fans. i bring the gift of the name your price tool to help you find a price that fits your budget. uh-oh. the name your price tool. she's not to be trusted.

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cindy crawford is one of the most photographed women of all-time. so it takes a lot for a single picture of a supermodel to cause a stir. that's exactly what's happening tonight. abc's linzie janis has the story. >> reporter: from the catwalk to countless covers of magazines. cindy crawford has been one of the world's most famous supermodels for decades. but the internet is abuzz over this picture showing crawford like you've never seen her before. the unretouched photo from a 2013 "marie claire" mexico cover story going viral over the weekend after british journalist charlene white shared it on twitter. >> i found it incredibly empowering to see someone as beautiful and iconic as cindy

crawford in her natural form. >> reporter: here the video from the shoot. but only from crawford's chest up. >> i'm happy with my body now. but it's not my old body. >> reporter: the now 48-year-old mother of two telling "huffington post" marlowe thomas in 2012 that her body isn't the same as it used to be. >> i had both my children at home natural hi. in some ways i appreciate my body more now because i know what it's capable of. >> reporter: twitter on fire with support for the brunette bombshell. one woman tweeting, finally, thank you, every woman needs to see. >> this photo makes us feel good because she looks like a real person. >> reporter: crawford hasn't commented on her photo and has not replied to our requests for a statement. for "nightline" i'm linzie janis in los angeles. in the words of coco chanel, beauty begins the moment you decide to be yourself.

what did you think about cindy crawford's unretouched photo? head to our facebook page to join the conversation. good night, america. bulldog: you don't need superpowers to help someone. sometimes, all it takes is a warm heart and a cold nose. that's why mattress discounters good deed dogs is raising money to train service dogs for people with disabilities. i would never imagine a life wiin. i relied on people a lot. he helps me live a more independent life. bulldog: we need your help to do more. give at mattressdiscountersdogs.com, or any mattress discounters. mattress discounters good deed dogs helping dogs help people