In February 1966, Pierre Mazeaud and Lucien Berardini attempted a difficult first ascent to one of the summits of Garet El Djenoun, in the Hoggar massif, a mountain range located west of the Sahara, in the south of Algeria. The mountain has been preserved intact since Roger Frison-Roche's expedition in 1935. The documentary, superbly filmed by René Vernadet, won the Grand Prix at the Trento Film Festival in 1966.

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