REMOVE

1. sky
2. sidewalks
3. houses
4. streets
5. automobiles
6. shadows
7. plants
8. black-and-white film

WHAT

1. Visual Works (hierarchy n … (1)
2. branches (plant component … (1)
3. bushes (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1966 (1)
2. after 1966 (1)