Various shots of tractor trains, caterpillar tractors pulling heavy loaded sleighs, heading for or away from camera. CUs of drivers at their posts. Incidental shots of forbidding countryside. Shots of bulldozers, cranes unloading tractor trains. LAS of large spool of wire dangling in mid-air. MSs of snowmobile moving slowly, of tractors towing small shacks along spruce-lined winter road.