REMOVE

1. farms
2. lamps (lighting devices)
3. trees
4. clouds
5. Westminster, Maryland

WHAT

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

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WHEN

1. 1961 (1)
2. after 1961 (1)