Ettelsberg lake with high heath tower, observation tower in winter, storage pond, Ettelsberg, Willingen, Upland, Rothaar Mountains, Sauerland, Hesse

body of water buildings building central europe construction countryside deserted empty europe's europe facing federal state of north rhine westphalia frg german federal republic germany german hessen hesse hessia in winter lakes lake landscape photo landscape shot landscapes landscape lookout tower look out low mountain range middle europe nature nobody no one no people north rhine westphalia north rhine westphalia nrw observation points observation point observation towers observation tower overlook overlook overview point of view ponds pond pool republic of germany reservoir rothaargebirge rothaar mountains sauerland scenery see structure towers tower travel photography uninhabited uplands vantage point viewing point viewing tower view into view of view of view over viewpoint view waterfront waters water willingen upland willingen winterly winter time wintery winter wintry