panorama duisburg inner harbor in the evening at the blue hour

altrheinarm archive area basket binnenhafen blue boats bread building channel city construction conversion copy crane cruise destination duisburg entertainment eve evening five germany gloaming harbor harbour historical holiday hour innenhafen inner interest listed marina motive national new nrw office old outdoors panorama perspective point port recreation reflection rhinewestphalia ruhr ruhrgebiet ruhrort seaport ship space textile travel urban use