REMOVE

1. backdrops
2. rivers
3. woods (plant communities)
4. cardigans
5. artists (visual artists)

WHAT

1. Visual Works (hierarchy n … (1)
2. atmospheric perspective (1)
3. barriers (1)
4. black-and-white film (1)
5. domes (architectural elem … (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1967 (1)