Applying the same economy used in “Allee der Kosmonauten” (one sole unrolling 16 mm film role with no montage) a long tracking shot at the Cooperativa das Águas Férreas da Bouça, a social housing complex designed by Álvaro Siza Vieira and an integral part of the SAAL (Serviço Ambulatório de Apoio Social, 1974-76) programme. The place is Oporto, in 2010, but the memory of the complex circumstances surrounding the construction of these dwellings take us back to 1975 and a tumultuous moment in Portugal’s past.