REMOVE

1. sky
2. barns
3. black-and-white film
4. windows
5. churches (buildings)
6. trucks

WHAT

1. Visual Works (hierarchy n … (1)
2. atmospheric perspective (1)
3. buildings (structures) (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1967 (1)
2. ca. 1967 (1)