koblenz, germany - 11 13 2023: mosel estuary, koblenz lützel and old town

river waterway water canal reflection sea channel vehicle reservoir bridge shore coast boat lake bay harbor town transport koblenz germany 2023: mosel estuary lützel city rhine historic role solid french influence architecture old including remaining fortresses fall rainy creates autumn mood slippery ground gloomy light unesco heritage rhine valley middle valley mittelrheintal koblenz koblenz rhein rhein rhine river river valley beautiful europe tourism travel holiday travel destination unesco weltkulturerbe mittelrheintal vacation confluentes coblenz