Fortress Ehrenbreitstein, Rhine River, Koblenz, Rhineland-Palatinate, Germany, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day background people incidental people people in the background travel destination travel destinations tourist destination travel castle fort forts fortified fortification fortress fortresses fortress ehrenbreitstein rhine river koblenz rhineland palatinate germany german europe european building exterior building buildings architecture architectural history historical historic heritage stone castle wall war memorial landmark landmarks famous well known well known