REMOVE

1. houses
2. plants
3. buildings (structures)
4. construction sites
5. black-and-white film
6. bushes

WHAT

1. Visual Works (hierarchy n … (1)
2. construction equipment (1)

More 

WHERE

1. Westlock, Alberta, Canada (1)

WHEN

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