REMOVE

1. automobiles
2. paths
3. black-and-white film
4. woods (plant communities)

WHAT

1. athletes (1)
2. barriers (1)
3. buildings (structures) (1)
4. exterior views (1)
5. fences (1)
6. horses (animals) (1)
7. men (male humans) (1)
8. plants (1)
9. polo (field sport) (1)
10. polo clubs (built complex … (1)
11. polo fields (1)
12. signs (declatory or adver … (1)
13. sky (1)
14. spectators (event observe … (1)
15. sports uniforms (1)
16. trees (1)
17. Visual Works (hierarchy n … (1)

WHERE

1. Aiken, South Carolina (1)

WHO

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

WHEN

1. 1966 (1)