lahnstein, germany 07 25 2022: lahn river lock and very low water level next to it

river waterway canal water reservoir stream tree bridge pond watercourse lake channel rapid transport vehicle wetland creek reflection lahnstein germany 2022: lahn lock small town estuary mittelrheintal calm locks rich history medieval times modern industry oberlahnstein niederlahnstein edge southern parts koblenz low levelnext level next draught drought trockenheit dürre