REMOVE

1. shadows
2. sky
3. neckties
4. cardigans
5. boys
6. backdrops
7. buildings (structures)

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. atmospheric perspective (1)
4. black-and-white film (1)
5. bushes (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1967 (1)