Credit: Copyright: Private archive Hollein / Photo: Roland Krauss / Courtesy of Private archive Hollein Austrian architect Hans Hollein wryly envisaged architecture as a pill, one of which would produce a Haus (house), two a Wohnviertel (neighbourhood) and four a Stadt (city). This detail is from his Non-Physical Environmental Control Kit (1967), currently on display at the Centre Pompidou until 2 June 2025. The type of architecture hiding in the blister pack can only be imagined by the viewer. Read stories from the Health issue