Emscher At Sunset
Emscher at sunset, Gelsenkirchen, Germany.
The Emscher is Germanys most polluted river, it be used for sewage until a underground sewage pipe is completed.
Du to the coal mining in this region only this form of sewage disposal was possible, but with the end of coal mining larger underground pipes are possible and the renaturation of the Emscher is possible.
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