koblenz, germany - 12 07 2023: christmas market in koblenz, glühwein hut in mill with lights on

night darkness light house evening lighting architecture screenshot landmark reflection building facade dusk window sky city downtown metropolis koblenz germany 2023: christmas market glühwein hut mill shape mosel estuary rhine old town located rivers remaining medieval buildings rebuild historic copies winter regular floods gloomy deep valleys dark hills lights christmas decoration ornament light tree tradition december winter advent