Throughout the 1970s and 1980s, Abdul Karim Mohammad aka Little Karim served as a guide for revealed mountaineers going on high-altitude expeditions, carrying up to 25 kg of luggage on his back. On July 14, 1985, Boivin broke the world altitude jump record by taking off from the summit of the Pakistani giant Gasherbrum II at an altitude of 8,035 meters. The filmmaker Laurent Chevalier draws a film from it: