Hexenlochmuehle, mill, near Furtwangen, Black Forest, Baden-Wuerttemberg, Germany, Europe

architecture baden baden wuerttemberg black bodies body building buildings day daylight daytime during energy europe european exterior exteriors federal flow flowing flows flush flushes forest frg furtwangen german germany hexenlochmuehle historic hydro hydroenergy hydropower mill mills near nobody of outdoor photo photos power republic river rivers shot shots southern stream streaming streams the water waterenergy waterpower waters wood wooden wuerttemberg