Public domain
Fort Ehrenbreitstein with the boat bridge over the Rhine in the foreground, Koblenz, Germany
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
Credit lineFort Ehrenbreistein met op de voorgrond de botenbrug over de Rijn, Koblenz, Duitsland. 1860 - 1875. anonymous. Rijksmuseum, Amsterdam. Public domain.