REMOVE

1. boys
2. sitting
3. automobiles
4. eyeglasses
5. sky
6. black-and-white film
7. driveways

WHAT

1. Visual Works (hierarchy n … (1)
2. buildings (structures) (1)
3. bushes (1)
4. children (1)

More 

WHERE

1. Westlock, Alberta, Canada (1)

WHEN

1. 1946 (1)
2. after 1946 (1)