It is 1 p.m. on June 30, 1982, when Christophe Profit, 24, shows up at the foot of Les Drus with his pof bag, his climbing shoes and nothing else. He will try the west face of Les Drus in "solo", in the Mont Blanc massif by "Directe Américaine", 1100 meters of vertical and smooth rock. Christophe w...