Watch FilmoFlix. In 1973, 6 guides from the National Ski and Mountaineering School (ENSA), including Charles Daubas and Walter Cecchinel, left by truck from Chamonix to Tamanrasset in the desert in Algeria with the aim of climbing some peaks of the Atakor massif including Adaouda and Tizouyag where they do the first of "La Voie de l'ENSA".