Extension of the Henle Villa in Duisburg

House in Duisburg

building in Potsdam, Germany

commercial building in Mülheim an der Ruhr, Germany

architectural structure

church building in Mülheim an der Ruhr, Germany

concert and multi-purpose hall and convention centre in Mülheim an der Ruhr, Germany

monument in Rhöndorf, Bad Honnef, Germany

industrial building in Jena, Germany