Photo de stock - Datteln, North Rhine-Westphalia, Germany, flood protection during heavy rain by rain retention basin, rain retention basin RRB with storage canal SKU Gutacker am Dattelner Muehlenbach, in the back residents in the settlement Zum Gutacker. The Dattelner Muehlenbach is now wastewater-free after the construction of a parallel sewer, belongs to the river system of the Lippe, was previously an open, above-ground wastewater canal, mixed water canal with surface water and wastewater.

Photo de stock: Datteln, North Rhine-Westphalia, Germany, flood protection during heavy rain by rain retention basin, rain retention basin RRB with storage canal SKU Gutacker.

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