koblenz, germany - 11 13 2023: mosel estuary at deutsches eck with festung ehrenbreitstein

river coast sea waterway shore water bay town vehicle tower reflection city skyline ocean harbor beach tree canal koblenz germany 2023: mosel last island beofre estuary deutsches eck rhine historic role solid french influence architecture old including remaining fortresses fall rainy creates autumn mood slippery ground gloomy light unesco heritage valley middle mittelrheintal rhein beautiful europe tourism travel holiday destination weltkulturerbe vacation confluentes coblenz festung ehrenbreitstein