REMOVE

1. trees
2. plants
3. farmyards
4. birds (animals)
5. black-and-white film
6. 1961

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. bushes (1)
4. color film (film) (1)
5. exterior views (1)

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WHEN

1. 1956 (1)
2. ca. 1956 (1)