REMOVE

1. airplanes
2. boys
3. Bow Island, Alberta, Canada

WHAT

1. black-and-white film (1)
2. coats (garments) (1)
3. fields (land) (1)
4. hats (1)
5. horizon line (1)
6. landscapes (representatio … (1)
7. models (representations) (1)
8. plants (1)
9. portraits (1)
10. sky (1)
11. snow (precipitation) (1)
12. toys (recreational artifa … (1)
13. uniforms (1)
14. utility poles (1)
15. Visual Works (hierarchy n … (1)

WHEN

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