Columbia subject headings:
Architecture--Conservation and restoration--Spain.
Architecture--Spain--History--21st century.
Architecture--Spain.
Buildings--Remodeling for other use--Spain.
Harvard subject headings:
Architecture--Conservation and restoration--Spain.
Architecture--Spain
Architecture--Spain--21st century.
Buildings--Remodeling for other use--Spain.
Princeton subject headings:
Architecture--Conservation and restoration--Spain.
Architecture--Spain--21st century.
Architecture--Spain.
Buildings--Remodeling for other use--Spain.