Promoted as a standard, easy-to-build product, The Unité d’Habitation concept spread all over the world after WWII. The first 5 units (Marseille, Firminy, Rezé, Briey and Berlin) built by Le Corbusier himself became the standard for almost all public housing project between 1950 and 1990.

Rome, Corviale, 1972-1982 (image: flickr). Strict translation of the Unité d’Habitation principles in a 980 m, 11 storey building. 1200 apartments, about 6000 inhabitants. Probably the biggest Unité in the world.

Rome, Corviale, 1972-1982. The building, seen from the countryside (image: flickr).

Rome, Corviale, 1972-1982. the internal staircase and corridors (image: flickr).

Geneva, le Lignon, 1963-1971. The complex, 1060 m long, hosts 5581 people (image: wikimedia commons).

Geneva, le Lignon, 1963-1971. One of the ends of the 1060 m long building (image: Flickr).

Geneva, le Lignon, 1963-1971. the two towers, 26 storey and 30 storey high (image: flickr). The highest of the two towers hosts two swimming pools on its roof.