REMOVE

1. hills
2. sky
3. windows
4. trains (vehicle groupings)
5. soil

WHAT

1. automobiles (1)
2. buildings (structures) (1)
3. bushes (1)
4. campuses (1)
5. colleges (buildings) (1)
6. color film (film) (1)
7. exterior views (1)
8. shadows (1)
9. sidewalks (1)
10. streets (1)
11. studios (work spaces) (1)
12. sunlight (1)
13. towers (building division … (1)
14. trees (1)
15. utility poles (1)
16. Visual Works (hierarchy n … (1)

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)