la fortuna dam in panama by an artificial lake

alternative america architecture arizona barrage barrier biggest binacional brazil bridge brown built canyon coastline colorado concrete construction dam day desert ecology electric electricity energy engineering environment facility generate generation generator glen green hoover hydro hydroelectric hydroelectricity industry itaipu lake landmark landscape largest mead mountain nature nevada nobody outdoors page panorama paraguay parana peace plant powell power project renewable reservoir river rocks scenic sky states strength structure summer technology tourism travel turbine united usa view water watt wave western wire work