REMOVE

1. pillars
2. trees
3. yards (areas)
4. shadows
5. sidewalks
6. automobiles
7. 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)