REMOVE

1. railroads
2. rock
3. plants
4. soil
5. men (male humans)

WHAT

1. audiences (1)
2. black-and-white film (1)
3. brick (clay product) (1)
4. buildings (structures) (1)
5. campuses (1)
6. chairs (furniture forms) (1)
7. colleges (buildings) (1)
8. commencements (1)
9. exterior views (1)
10. fences (1)
11. flags (1)
12. platforms (general) (1)
13. podiums (platforms) (1)
14. railroad stations (1)
15. robes (main garments) (1)
16. shadows (1)
17. sitting (1)
18. stages (performances spac … (1)
19. students (1)
20. studios (work spaces) (1)
21. sunlight (1)
22. train sheds (1)
23. trains (vehicle groupings … (1)
24. Visual Works (hierarchy n … (1)
25. windows (1)
26. women (1)

WHEN

1. 1967 (1)