This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Alt und Neu Calaisplatz. de Reste der alten Stadtmauer und Landesarchiv NordrheinWestfalen in Duisburg en Old city Wall with the archives of North RhineWestphalia in the background in Duisburg Germany own ZebraDS Stadtmauer Duisburg Landesarchiv NordrheinWestfalen Duisburg Steiger Schwanentor Cczero in Duisburg