REMOVE

1. buildings (structures)
2. trees
3. silhouettes
4. branches (plant components)
5. 1961

WHAT

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

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WHERE

1. Westminster, Maryland (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

1. after 1961 (1)