REMOVE

1. barriers
2. spouses
3. fences
4. gloves
5. eyeglasses
6. benches (furniture)
7. monuments

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. branches (plant component … (1)
4. close-up views (1)
5. doors (1)

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1961 (1)
2. after 1961 (1)