832-244492 - Aerial view, photo at night, Trianel, GUD, public utility company Hamm, power station powered by gas turbines, Uentrop, Hamm, Ruhr area, North Rhine-Westphalia, Germany, Europe
832-225743 - Refuse collection, waste paper containers being emptied, at an external paper recycling company, Gelsendienste, Gelsenkirchens public utility company, North Rhine-Westphalia, Germany, Europe
832-195599 - Aerial photo, Stadtwerketurm, chimney of the public utilities, Duisburg, Ruhr Extraschicht 2009 night flight, North Rhine-Westphalia, Germany, Europe
832-195600 - Aerial photo, Stadtwerketurm, chimney of the public utilities, Duisburg, Ruhr Extraschicht 2009 night flight, North Rhine-Westphalia, Germany, Europe