REMOVE

1. houses
2. clouds
3. doors
4. boats
5. machinery

WHAT

1. black-and-white film (1)
2. brick (clay product) (1)
3. campuses (1)
4. colleges (buildings) (1)
5. commencements (1)
6. exterior views (1)
7. flags (1)
8. hats (1)
9. men (male humans) (1)
10. podiums (platforms) (1)
11. processions (1)
12. railroad stations (1)
13. robes (main garments) (1)
14. stages (performances spac … (1)
15. studios (work spaces) (1)
16. Visual Works (hierarchy n … (1)
17. windows (1)
18. women (1)

Less

WHEN

1. 1967 (1)