REMOVE

1. platforms (general)
2. black-and-white film
3. 1966

WHAT

1. athletes (1)
2. automobiles (1)
3. barriers (1)
4. horses (animals) (1)
5. men (male humans) (1)
6. plants (1)
7. polo (field sport) (1)
8. polo clubs (built complex … (1)
9. polo fields (1)
10. sky (1)
11. spectators (event observe … (1)
12. sports uniforms (1)
13. trees (1)
14. Visual Works (hierarchy n … (1)
15. woods (plant communities) (1)

WHERE

1. Aiken, South Carolina (1)

WHO

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