REMOVE

1. viewers (observers)
2. exhibitions (events)
3. banners
4. fronts (architectural)

WHAT

1. Visual Works (hierarchy n … (1)
2. art museums (buildings) (1)
3. automobiles (1)
4. color film (film) (1)

More 

WHERE

1. New York, New York (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra Still Campbell (1)

WHEN

1. 1979 (1)
2. realism (artistic form of … (1)