REMOVE

1. towers (building divisions)
2. tile (materials)
3. bushes
4. moustaches

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. barriers (1)
4. black-and-white film (1)

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WHERE

1. Ensenada, Baja California … (1)

WHEN

1. 1949 (1)