20thcentury 21stcentury abandonedbuildings apartments architecture architectureandsociety architectureandstate buildings citizenparticipation cityplanning domestic eastern economicconditions etc europe germany(east) history housing housingpolicy modern na680 pictorialworks politicalaspects politicsandgovernment post-communism publichousing socialistsrealismandarchitecture sovietunion structures urbanrenewal urbanrenewaln