Ruins of the castle Hammershus under clouded sky, Bornholm, Denmark, Europe

sight trees nobody remote old ruin landscape nature clouds idyllic decayed historical buildings building exterior travel derelict tranquility castle outdoors tree coastline silence danmark architecture europe overcast bornholm island cloud landmark scandinavia tranquility abandoned scenics coastline day sky landmark northern europe coast sea of clouds tranquil scene isolated travel architecture building house houses hammershus hammerhus ruin ruins castle castles fortress old island islands baltic sea boornholm denmark europe outdoors day