athletes and thrillseekers don't just put their own skills to the test, they challenge the laws of nature, too. in our next story, a kite border stakes his life on the fickle wind, and it lets him down hard. a pro kite boarder soars into the air and slams into solid steel. >> oh! >> oh, oh! >> i just saw my life flash in front of me. i started kite boarding 11 years ago when it first started. >> dimitri lives to fly. for wings he uses a kite in a relatively new sport called kite boarding. >> the appeal about this sport is the freedom. it's just like jumping and pure power house, but you are using nature to do that. >> the greek-born dimitri also