REMOVE

1. utility poles
2. sunlight
3. towers (building divisions)
4. stairs

WHAT

1. branches (plant component … (1)
2. buildings (structures) (1)
3. campuses (1)
4. colleges (buildings) (1)
5. color film (film) (1)
6. exterior views (1)
7. lamps (lighting devices) (1)
8. shadows (1)
9. sky (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. 1970 (1)
2. ca. 1970 (1)