Stock Photo - bottrop,north rhine-westphalia,germany - the 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,including dead wood,the boye is now free of sewage after the construction of a parallel sewer to the river system of the emscher and thus to the emscher conversion,there was previously an open,above-ground wastewater canal,mixed water canal with surface water and wastewater.

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

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