Passive solar houses with solar collectors on the roofs, by architect Rolf Disch, Vauban district, Freiburg im Breisgau, Baden-Wuerttemberg, Germany, Europe

above alternative alternative angle apartment architect architecture baden baden wuerttemberg breisgau building buildings by clean collectors condo condominium condominiums condos day daylight daytime disch district during electricity elevated energies energy engineering europe european exterior exteriors federal freiburg frg from generation german germany high high angle house houses im module modules of on outdoor overlook overview panel panels panoramic passive perspective perspectives photo photos photovoltaic photovoltaics power regenerative renewable republic residential rolf roof roofs settlement settlements shot shots solar source sources southern supply system technic technical technology the top topview topviews vauban view views with wuerttemberg