Columbia subject headings:
Apartment houses--Spain--Barcelona--History--21st century.
Architecture, Domestic--Spain--Barcelona--History--21st century.
Barcelona (Spain)--Buildings, structures, etc.
Public housing--Spain--Barcelona--History--21st century.
Harvard subject headings:
Princeton subject headings:
Architecture, Domestic--Social aspects--Spain--Catalonia.
Dwellings--Social aspects--Spain--Catalonia.
Housing policy--Spain--Catalonia.
Inclusionary housing programs--Spain--Catalonia.