backflips, frontflips, 20ft jumps and more crazy stunts!!! (Video) 1 discussions various guys do some insane stunts off 20ft building walls and other objects. stunts include back and front flips triple360's 180 backflips and loads more!!!! these guys are insne and worth checkin ou.. Tags: backflip frontflip flip somersult stunts evolution insane amazing dangerous unbelievable outragous 360 180 jumps