Preview Gruene Flotte (Houseboat) at Muelheim a. d. Ruhr, MueGa Park, Ruhrgebiet, North Rhine-Westphalia, Germany, Europe Image ID: 1113-18266 Artist: Brigitte Merz Purchase a commercial license Buy framed prints & more from our print store incidental people people in the background people person outdoor photography day summer nature river ruhr ship houseboat gruene flotte working with solar energy pedal boat family water station muega park muelheim a d ruhr ruhrgebiet north rhine westphalia germany europe