REMOVE

1. towers (building divisions)
2. hills
3. sky
4. 1946

WHAT

1. black-and-white film (1)
2. buildings (structures) (1)
3. campuses (1)
4. colleges (buildings) (1)
5. doors (1)
6. exterior views (1)
7. plants (1)
8. sidewalks (1)
9. streets (1)
10. studios (work spaces) (1)
11. trees (1)
12. utility poles (1)
13. Visual Works (hierarchy n … (1)
14. windows (1)

WHERE

1. San Francisco, California (1)

WHO

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

WHEN

1. 1950 (1)
2. between 1946 - 1950 (1)