Exterior, day; AERIAL SHOTs over heavy-industry plants in Beauharnois region (3:47). AERIAL SHOTs over power transmission line crossing farmland, over hydroelectric power plant and canal (1:55). AERIAL SHOTs around tower, line workers can be seen working inside tower (0:28). AERIAL SHOT of power transmission line crossing farmland to distribution station, shot around facilities (2:23).