REMOVE

1. workers
2. sky
3. trees
4. roads
5. railroads
6. doors

WHAT

1. black-and-white film (1)
2. boys (1)
3. coats (garments) (1)
4. fields (land) (1)
5. flags (1)
6. hats (1)
7. horizon line (1)
8. landscapes (representatio … (1)
9. motifs (1)
10. plants (1)
11. portraits (1)
12. snow (precipitation) (1)
13. towers (single built work … (1)
14. uniforms (1)
15. Visual Works (hierarchy n … (1)

WHERE

1. Bow Island, Alberta, Cana … (1)

WHEN

1. 1912 (1)
2. 1920 (1)
3. between 1912 - 1920 (1)