REMOVE

1. utility poles
2. sidewalks
3. sky
4. streets
5. hills

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. studios (work spaces) (1)
9. towers (building division … (1)
10. trees (1)
11. Visual Works (hierarchy n … (1)
12. windows (1)

WHERE

1. San Francisco, California (1)

WHO

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

WHEN

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