If you think Duisburg lies directly on the Rhine, then you've got it all wrong, Lu. Only a cut-off arm of the Father Rhine connects the city with its present bed. But the brave people of Duisburg have turned it into a profitable port and have made a fortune by transhipping wood and grain. I present the "Breadbasket of the Ruhr!"
The "Steel Time Travelers" Luise & Alfred: Duisburg Inner Harbor
www.duisburg.de > Tourismus > Stadt erleben > Industriekultur
The area is accessible 24 hours a day.