24. Trappenhuis Ursulinen Lyceam, 1928.png

Werner Mantz, Stairwell Ursuline Lyceum (Stairwell of the Ursuline Lyceum), Cologne (D/GER), 1928. Architects: Noven & Willach. Portfolio: Galerie Schürmann & Kicken, 1977. ©Collection Bonnefanten