REMOVE

1. sky
2. roads
3. doors
4. trees
5. hats
6. sitting

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. barriers (1)
4. brick (clay product) (1)
5. color film (film) (1)

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WHERE

1. 128 W. 23rd St., New York … (1)

WHEN

1. 1959 (1)