O.M. Ungers, Residenz des Deutschen Botschafters in Washington DC, 1987–1995, Foto: © Eduard Hueber/archphoto O.M. Ungers – Architecture as Idea (22 May–27 September 2026) Learn more
© HGEsch Photography, Cologne Cathedral (Hohe Domkirche), crossing tower, Cologne, 2025 Hans Georg Esch · The Architectural Eye · Epochal – Global (11 June to 27 September 2026) Learn more
