"Documentary film on the construction of the Grande-Dixence Dam, and especially the" Concrete "phase (production, routing, pouring, etc.) It is the highest dam in the world, a thousand men are fighting "By joining hands ", connecting every eleven hours for this magnificent monument.The sound of the excavators invades the soundtrack which leaves " more room for daydreaming ." The transport of concrete is done through cables, called "Blondin", in tribute to the famous French tightrope walker. 　　Adrien Porchet turns plans at the end of May 1954. They are wide and distanced shots that never approach the workers. Godard edited the film in October with a lyrical commentary in an austere voice and pastoral music borrowed from Johann Sebastian Bach. He sold his film to the Compagnie de la Grande Dixence in 1955 and even enjoyed a theatrical release in the first part of Thé et Sympathie in 1958. "