Sedimentation tank of the Duisburg-Kasslerfeld wastewater treatment plant, Duisburg, North Rhine-Westphalia, Germany, Europe

above aerial angle birds birds eye day daylight daytime duisburg duisburg kasslerfeld during elevated europe european exterior exteriors eye federal frg from german germany high high angle kasslerfeld nobody north nrw of outdoor perspective perspectives photo photograph photographs photos plant plants republic rhine rhine westphalia rhine westphalian sedimentation sewage shot shots tank the top topview topviews treatment view views wastewater westphalia westphalian works