REMOVE

1. sky
2. townscapes (representations)
3. paths
4. cranes (equipment)
5. clouds
6. atmospheric perspective

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. buildings (structures) (1)
4. bushes (1)
5. construction equipment (1)

More 

WHERE

1. Westlock, Alberta, Canada (1)

WHEN

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