REMOVE

1. sky
2. plants
3. houses
4. landscapes (representations)
5. streets
6. barriers

WHAT

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

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1967 (1)