Alterlaa (Austrian German pronunciation: [altˈɛʁlaː]) is a residential development in Vienna, Austria, designed by Harry Glück [de]. Built from 1975 to 1986, it features distinctive set-backs on its lower floors and large terraces with planting troughs for use by residents. It houses around 9,000 people in 3,200 apartments.

Walden 7, an apartment complex situated in Sant Just Desvern near Barcelona, Catalonia, Spain, was designed by Ricardo Bofill Taller de Arquitectura and constructed in 1975. Originally, the project encompassed 446 residences and was created with a budget that was below the standard for subsidized housing during that period. The building was initially conceived as…