REMOVE

1. buildings (structures)
2. stairs
3. utility poles
4. 1970

WHAT

1. branches (plant component … (1)
2. campuses (1)
3. colleges (buildings) (1)
4. color film (film) (1)
5. exterior views (1)
6. lamps (lighting devices) (1)
7. shadows (1)
8. sky (1)
9. sunlight (1)
10. towers (building division … (1)
11. trees (1)
12. Visual Works (hierarchy n … (1)
13. windows (1)

WHERE

1. San Francisco, California (1)

WHO

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

WHEN

1. ca. 1970 (1)