REMOVE

1. neckties
2. farms
3. sky
4. trees
5. arbors
6. 1961
7. 1965

WHAT

1. black-and-white film (1)
2. exterior views (1)
3. ladders (1)
4. landscapes (representatio … (1)
5. machinery (1)
6. men (male humans) (1)
7. plants (1)
8. railroads (1)
9. rails (transit system ele … (1)
10. sheds (storage structures … (1)
11. Visual Works (hierarchy n … (1)
12. water tanks (1)
13. workers (1)

Less

WHEN

1. 1920 (1)
2. 1940 (1)
3. between 1920 - 1940 (1)