Ruhr river dam and lock, water flowing over the weir, overflow, Duisburg, North Rhine-Westphalia, Germany, Europe

and architecture barrage barrages bodies body building buildings dam dams day daylight daytime duisburg during europe european exterior exteriors federal flow flowing flows frg german germany lock locks nobody north of outdoor over overflow photo photos republic reservoir reservoirs retaining rhine rhine westphalia river rivers ruhr shot shots sluice sluices stream streaming streams the wall walls water waters weir weirs westphalia