Helmuth Conradi, Station Pforzheim, 1957-1958, entree. Foto met dank aan Coert Peter Krabbe, CC BY 4.0
Helmuth Conradi, Station Pforzheim, 1957-1958, entree. Foto met dank aan Coert Peter Krabbe, CC BY 4.0

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Helmuth Conradi, Station Pforzheim, 1957-1958, entree. Foto met dank aan Coert Peter Krabbe, CC BY 4.0