REMOVE

1. sky
2. flags
3. railroad stations

WHAT

1. artists (visual artists) (1)
2. black-and-white film (1)
3. brick (clay product) (1)
4. campuses (1)
5. colleges (buildings) (1)
6. commencements (1)
7. exterior views (1)
8. eyeglasses (1)
9. hats (1)
10. men (male humans) (1)
11. photographers (1)
12. podiums (platforms) (1)
13. portraits (1)
14. robes (main garments) (1)
15. stages (performances spac … (1)
16. train sheds (1)
17. Visual Works (hierarchy n … (1)
18. windows (1)
19. women (1)

WHEN

1. 1967 (1)