Cina, Liujiaxa, Hydro Electric Power station with electricity pylons.

USA, Nevada, Hoover Dam, View of towers at Hoover Dam.

USA, Nevada, Hoover Dam, View of towers at Hoover Dam.

CANADA, Ontario, Niagara, H.E.P. station and bridge to the United States.

USA, Nevada, Aerial view of the the Hoover Dam from helicopter.