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Emscher, neue Emschermuendung, Dinslaken, Nordrhein-Westfalen, Deutschland Dinslaken, North Rhine-Westphalia, Germany - Emschermuendung into the Rhine. In the foreground the construction site of the new Emscher river mouth. The mouth of the Emscher into the Rhine is being moved from Dinslaken to Voerde, almost 500 meters to the north. Fish will then be able to swim barrier-free up the new Emscher from the Rhine through a newly created floodplain. The Emscher has been completely free of wastewater since January 2022 following the construction of a parallel sewer. The river was previously an open, above-ground combined sewer with rainwater and wastewater. (KEYSTONE/mauritius images/RUPERT OBERHAEUSER)