REMOVE

1. sidewalks
2. sky
3. colleges (buildings)
4. plants
5. buildings (structures)

WHAT

1. black-and-white film (1)
2. campuses (1)
3. doors (1)
4. exterior views (1)
5. hills (1)
6. streets (1)
7. studios (work spaces) (1)
8. towers (building division … (1)
9. trees (1)
10. utility poles (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)