fortress ehrenbreitstein with rhine river at sunset, koblenz, germany

architecture attraction blue boat burg cable car castle city cityscape destination deutsches eck ehrenbreitstein europe evening festung fortress german germany hill historic holidays koblenz landmark landscape medieval mosel moselle nature old palatinate panorama pfalz reflections rheinland rheinlandpfalz rhine rhineland rhinelandpalatinate river ship sky summer sunset tourism town travel urban vacation water