Columbia subject headings:
Architecture--France--Paris--Exhibitions.
City planning--France--Paris--Exhibitions.
Public spaces--France--Paris--Exhibitions.
Harvard subject headings:
City planning--France
Open spaces--France.
Public spaces--France.
Space (Architecture)--France.
Princeton subject headings:
Architecture--France--Paris--Exhibitions.
City planning--France--Paris--Exhibitions.
Public spaces--France--Paris--Exhibitions.