mettlach, germany - 07 17 2024: saar river lock sluice, water filled

waterway canal river bridge water vehicle channel transport reflection reservoir boat dock pond walkway tree watercraft boating mettlach germany 2024 saar lock sluice waterfall small town valley close saarschleife north german area saarland borders luxembourg france idyllic quiet touristic summer bike routes ships passing filled sarre saravus channeled managed calm schleuse staustufe wall management shipping tourism travel destination trip famous tourist vacation journey saargebiet der