REMOVE

1. sky
2. windows
3. streets
4. sunlight
5. automobiles
6. shadows
7. colleges (buildings)
8. bushes

WHAT

1. Visual Works (hierarchy n … (1)
2. buildings (structures) (1)
3. campuses (1)

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WHERE

1. San Francisco, California (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1971 (1)
2. ca. 1971 (1)