Water surface of Freibach reservoir in Austria approaching the south shore, Aerial flyover tilt up reveal shot

water surface lake homelisko jezero artificial lake river freibach reservoir waterpower water earthfill dam panoramic reservoir dam hydropower flyover aerial environment freibach horizon landscape panorama looking down carinthia karavanke south shore forward hydro energy travel artificial southern carinthia europe park drau blue alps stone green reveal shot summer nature mountains hill earthfill austria outdoors trees tilt up peak vacation alpine