Photo de stock - bottrop,north rhine-westphalia,germany - renatured boye,the tributary of the emscher,has been transformed into a near-natural body of water,flood protection for the residents through newly designed flood areas,the boye is now sewage-free after the construction of a parallel sewer,belongs to the emscher and river system thus for the emscher conversion,there was previously an open,above-ground wastewater sewer,mixed water sewer with surface water and sewage.

Photo de stock: bottrop, north rhine-westphalia, germany - renatured boye, the tributary of the emscher, has been transformed into a near-natural body of water.

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