REMOVE

1. hills
2. trees
3. roads
4. hats
5. automobiles

WHAT

1. black-and-white film (1)
2. boys (1)
3. coats (garments) (1)
4. fields (land) (1)
5. flags (1)
6. horizon line (1)
7. landscapes (representatio … (1)
8. motifs (1)
9. plants (1)
10. portraits (1)
11. sky (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)