REMOVE

1. libraries (buildings)

WHAT

1. architecture (object genr … (3)
2. libraries (buildings) (3)
3. art museums (2)
4. museums (2)

WHERE

1. France (nation) (3)
2. Paris, France (3)

WHO

1. Piano & Rogers Architects (2)
2. Labrouste, Henri (1)

WHEN

1. 20th century (2)
2. Postmodern (2)
3. Structural Expressionist (2)
4. 19th century (1)
5. Renaissance Revival (1)