REMOVE

1. architecture (object genre)
2. Postmodern

WHAT

1. art museums (2)
2. libraries (buildings) (2)
3. museums (2)
4. administration buildings (1)

WHERE

1. France (nation) (2)
2. Paris, France (2)
3. Oregon (state) (1)
4. Portland, Oregon (1)

WHO

1. Piano & Rogers Architects (2)
2. Graves, Michael (1)

WHEN

1. 20th century (3)
2. Structural Expressionist (2)
3. Contemporary (1)