REMOVE

1. windows
2. automobiles
3. utility poles
4. sidewalks
5. black-and-white film

WHAT

1. audiences (2)
2. buildings (structures) (2)
3. commencements (2)
4. exterior views (2)
5. hats (2)
6. hills (2)
7. lamps (lighting devices) (2)
8. men (male humans) (2)
9. photographers (1)
10. plants (2)
11. robes (main garments) (2)
12. signs (declatory or adver … (2)
13. sky (2)
14. soil (2)
15. students (2)
16. sunglasses (1)
17. trees (2)
18. Visual Works (hierarchy n … (2)
19. women (2)

WHEN

1. 1967 (2)