en Cuevana3. Directed by Jean-Marc Boivin in 1977, Glace Extrême is a documentary about mountaineering and extreme skiing at the Aiguille Verte and the Grand Pilier D'angle in the Mont-Blanc massif chain in France, with the legends of mountaineering Jean-Marc Boivin, Patrick Gabarrou and ski champion Patrick Vallencant. It was broadcast in the Carnet de L'Aventure on France 2 in 1980.
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