REMOVE

1. artists (visual artists)
2. boys
3. parking lots
4. buildings (structures)
5. automobiles

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. bushes (1)
4. columns (architectural el … (1)
5. concrete block (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1966 (1)
2. after 1966 (1)