REMOVE

1. trees
2. eyeglasses
3. bushes
4. black-and-white film
5. sky
6. rooftops
7. hills

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. atmospheric perspective (1)

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WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1967 (1)