REMOVE

1. shadows
2. plants
3. automobiles
4. trees
5. group portraits
6. dresses (garments)

WHAT

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

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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