Aural and visual records made in Tlatelolco (Mexico City), Havana and capital cities that belonged to the communist bloc in Europe in con ict or disagreement with the Soviet Union (among others: Budapest, Prague, Bratislava, Warsaw, Berlin, Bucharest, Sarajevo, Belgrade, Ljubljana), focused on housing buildings, also known as blocks or microdistricts, trying to nd common historical, political, social, architectural and landscape.