Sur le fil des 4000 is a documentary film by Gilles Chapaz, which traces the last rope of the mountaineering duo Patrick Berhault and Philippe Magnin. The objective of the roped party was to climb the 82 peaks over 4000 meters in the Alps, by carrying out the connecting routes on foot, on skis or by bike. All at the end of winter and the beginning of spring. They left... see more