REMOVE

1. shadows
2. trees
3. stairs
4. pillars
5. houses
6. branches (plant components)
7. windows

WHAT

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

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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