REMOVE

1. plants
2. fences
3. houses
4. gardens (open spaces)
5. sky
6. concrete block

WHAT

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

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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