mao takahashi: [speaking japanese] 16-year-old mao takahashi, standing on his balcony, described to us how, like so many people that day, he ran out and tried to capture the images that he was seeing. mao takahashi: [speaking japanese] the water was raging. and he saw a man. he didn't know him. mao takahashi: [speaking japanese] man 4: [speaking japanese] and this 16-year-old kid risked his own life, got into the water, and saved someone he doesn't even know. cindi preller: we never want people to evacuate in their cars. cars are quite dangerous, actually. cars are a lot of ways that people drown. you can see the tsunami coming up behind very quickly. this guy, he goes back to close the door. and really within seconds, he is surrounded by tsunami on both sides. a lot of people break the windows, climb out, and get on top of their cars. breaking news, japan reeling from a monumental natural disaster, the most powerful earthquake in its history, followed by a killer tsunami. it destroyed coastal towns for about 300 miles. in one town that i went to, it looked like the whole city had been