Stock Photo: D-Xanten, Rhein, Niederrhein, Nordrhein-Westfalen, NRW, Stadtbefestigung, Stadtmauer, Kriemhildmuehle, Windmuehle, Baerwindmuehle, Mittelalter, D-Xanten, Rhine, Lower Rhine, North Rhine-Westphalia, NRW, city fortification, town wall, Kriemhild mill, windm