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: "L'Oiseau Rare" , but the jack-of-all-trades of French mountaineering was not the only rare specimen on Gasherbrum II that summer. B...
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