REMOVE

1. porches
2. yards (areas)
3. black-and-white film
4. gardens (open spaces)

WHAT

1. Visual Works (hierarchy n … (1)
2. bushes (1)
3. columns (architectural el … (1)
4. concrete block (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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