church building in Wuppertal, Germany

single-family detached home in Lindenthal, Germany

church in Cologne, Germany

fountain in Bonn, Germany

residential and commercial building in Altstadt-Nord, Germany

post office building in Altstadt-Nord, Germany

railway station in Salzburg, Austria

office building in Bonn, Germany

church building in Mülheim, Germany

church building in the Roman Catholic Archdiocese of Cologne, Flittard, Germany

condominium in Altstadt-Nord, Germany