Fuerwiggetalsperre dam, retaining lake, concrete dam, Meinerzhagen, Ebbegebirge Nature Park, Sauerland region, North Rhine-Westphalia, Germany, Europe, PublicGround

architecture building buildings concrete dam dams day daylight daytime during ebbegebirge europe exterior exteriors federal frg fuerwiggetalsperre german germany lake lakes meinerzhagen natural nature nobody north nrw of outdoor park photo photos preserve preserves publicground region republic reservoir reservoirs retaining rhine rhine westphalia sauerland shot shots storage supply the wall walls water westphalia