REMOVE

1. plants
2. trees
3. 1920
4. 1930

WHAT

1. black-and-white film (1)
2. branches (plant component … (1)
3. bushes (1)
4. farms (1)
5. fields (land) (1)
6. forests (plant communitie … (1)
7. landscapes (representatio … (1)
8. sky (1)
9. Visual Works (hierarchy n … (1)

WHERE

1. Killam, Alberta, Canada (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. between 1920 - 1930 (1)