REMOVE

1. sitting
2. trees
3. windows
4. plants
5. artists (visual artists)
6. backdrops
7. bushes

WHAT

1. Visual Works (hierarchy n … (1)
2. automobiles (1)
3. black-and-white film (1)
4. branches (plant component … (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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