koblenz, germany - 08 12 2020: view from horchheim to karthause, including fort constantin

germany 2020 rhine mittelrheintal unesco world heritage site located koblenz valley old town castles rheinromantik tourism shore coast river water mountain vacation tree road buga view summer background mittelrheintalstraae rheinsteig regional center mosel lovated rivers smaller places omittelrheintal bingen villages medieval area connected belong city called rheinmoselstadt touristic context marks north karthuse fort constantin karthause roofs hoch horchheim