REMOVE

1. towers (building divisions)
2. trees
3. roads
4. 1971

WHAT

1. Visual Works (hierarchy n … (1)
2. art schools (institutions … (1)
3. automobiles (1)
4. cityscapes (representatio … (1)
5. color film (film) (1)

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WHERE

1. San Francisco, California (1)

WHO

1. Still, Patricia (1)

WHEN

1. circa 1971 March (1)