REMOVE

1. sky
2. windows
3. trees
4. construction sites
5. bushes
6. buildings (structures)

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. construction equipment (1)

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WHERE

1. Westlock, Alberta, Canada (1)

WHEN

1. 1946 (1)
2. ca. 1946 (1)