koblenz, germany - 11 13 2023: koblenz - lützel, mosel shore with light flood

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