REMOVE

1. stairs
2. sidewalks
3. automobiles
4. streets
5. bushes
6. black-and-white film
7. sky

WHAT

1. Visual Works (hierarchy n … (1)
2. branches (plant component … (1)

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WHERE

1. New Windsor, Maryland (1)

WHEN

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