>> it's impressive to see 30 people at the same time do a back flip and land pretty much at the same time. wasn't just to beat the record a cool event to have fun and if you do win worldwide. >> from a moment of greatness that's one for the record books to a moment of greatness that's the difference between life and death. >> miss are you all right? >> october 18th, 2013, nfta bus driver darnell barton is working his route enough buffalo, new york at the beginning of the rush hour. he picks up students at a high school and heads across the overpass. the closed circuit cameras are recording when he notices a woman across the guardrail leaning over the narrow edge.