REMOVE

1. black-and-white film
2. towers (building divisions)
3. trees
4. campuses
5. cityscapes (representations)

WHAT

1. Visual Works (hierarchy n … (1)
2. automobiles (1)
3. buildings (structures) (1)

More 

WHERE

1. San Francisco, California (1)

WHEN

1. 1970 (1)
2. ca. 1970 (1)