Description:22 42 55 00 West of the United States. Big works, transport, communication. Finishes of the biggest tunnel. It crosses mountains and cascades. Seen on entrance of the tunnel. Inside of the tunnel. Workers in wagons sink into tunnel. Underground passage. Seen on crane, excavator which clears and digs the tunnel, extraction. Close-up on minors, workers who work. They work with enormous drills. Several minors go out by running of the tunnel, alert, danger. Seen on street of a town, a policeman go on guard in front of a cinema, a theater, "Hights".