This is the moment a scrambler motorbike comes flying over a massive sand dune at a desert rally in Argentina and falls out of the sky into a crowd of spectators. https://filedn.eu/lhVNGNsizwl5t7THnzzJ2c8/New%20public/CEN-DunesBike-01.mp4 The breathtaking footage, filmed at the Summer Enduro rally in the Villa Gesell dunes, shows bike after bike…