Home  /  Gallery  /  Index  /  Ruhr Area, Germany |<  <<  29 / 38  >>  >| EN: The Tetraeder; Bottrop, Ruhr Area, Germany Home  /  Gallery  /  Index  /  Ruhr Area, Germany |<  <<  29 / 38  >>  >| Gallery: Created with a modified version of BBGallery Photographs: Copyright by Daniel P. Scheibli