REMOVE

1. bushes
2. houses
3. trees
4. automobiles
5. streets
6. public sculpture
7. 1966

WHAT

1. Visual Works (hierarchy n … (1)
2. branches (plant component … (1)
3. buildings (structures) (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. after 1966 (1)