koblenz, germany - 09 17 2024: festung ehrenbreitstein seen from the mosel

river waterway tourism sea water vacation town coast landmark bay reservoir reflection tree lake city shore skyline canal koblenz germany 2024: mosel estuary deutsches eck festung ehrenbreitstein rhine marks north mittelrheintal unesco world heritage site ends right old lützel river mosel moselle valley vineyard landscape vine vineyard rural idyllic travel destination vacation travel famous place tourist tourism