calm blue rhine with castles and small towns

lake sea vehicle bay reservoir shore coast water boat river mountain boating vacation fjord ocean reflection watercraft channel calm blue rhine mittelrheintal summer bacharach small wine making town valley area unesco world heritage site touristic bachrach medieval half-timbered old city walls remaining gates castle castles towns rhein rin rheintal gorge stream flowing freshwater rivers flow moving supply riverbed rhine rhein rin valley rheintal gorge mittelrheintal river stream water flowing freshwater rivers flow supply