they're testing it for a tandem infinity loop to go round and round to see if it can handle two pilot. these two guys are champion paragliders. and snap is right. that's exactly what happens to the line in this canopy. in the middle of their third set of rotation -- >> oh! >> oh, no! >> a whole bunch of their lines. the a, b and c upper gallery lines snap under 6 gs of load. they went into an immediate free fall. up see the reserve chute deploy. but they started to real line of canopy. >> good thing there were two of them up there. it too much work for one guy. >> this happened in 2010. the video just released. >> this video has made me dizzy and panicky and i can't breathe now and like stressed out. >> looks like your average day on cctv in russia. keep your eyes right here. the solar vehicle decides i'm going to cross over both of those solid lines and just cut all these people off naturally. people aren't too stobd about that. this lady gets out of her car and starts getting into an accident with another woman here. the woman with the black hair came from the silver vehicle and she