Dam on Lac de Gruyere, Lake Gruyere, reservoir, aerial view, Rossens, Fribourg, Switzerland, Europe

aerial photography aerial photograph aerial photos aerial photo aerial shot aerial view aerial alternative energies alternative energy artificial lakes artificial lake barrage birds eye view birds eyes view body of water buildings building business canton freibourg canton fribourg canton of freibourg canton of fribourg countryside dams dam walls dam wall dam dam deserted eco friendly ecofriendly economies economy electricity supply elevated view empty energies energy industry energy production energy sources energy source energy supply energy environmental friendly environmentally friendly environmental protection environment protection environment facing flight photo flight shot friburg from above from the air from the sky green energy high angle shot high angle view high angle view hydroelectric power plant hydroelectric power stations hydroelectric power station hydroelectric power hydropower plant hydro power hydropower lac de la gruyere lac lake of gruyere lakes lake landscape photo landscape shot landscapes landscape looking down nature nobody no one no people overhead overlook overlook overview power generations power generation power industries power industry power supplies power supply regenerative renewable energy renewable reservoir dam reservoir scenery see structure sustainable top down view top down view top down topview top view uninhabited view down to the bottom view down view from above view into view of view of view over view water power water reservoirs water reservoir water supply dam waters water