REMOVE

1. windows
2. shadows
3. pillars
4. automobiles
5. plants
6. trees
7. branches (plant components)

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. bushes (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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