arch berlin brandenburg Brandenburger Tor capital classicism column columns gate germany landmark monumental Quadriga sightseeing statue tourismn street scenery sunlight Victoria dark doric floodlight floodlighting illumination Langhans light night Schadow church dome Lutheranism potsdam protestant XIX century baroque belvedere charlottenburg elector enlightment Friedrich III garden architecture building event Gendarmenmarkt history Konzerthaus music Schauspielhaus theatre italian Nering palace Sophie Charlotte cathedral christianity evangelical pray religious television tower amber Frederic III park Deutscher Dom German Cathedral