REMOVE

1. color film (film)
2. trees
3. landscapes (representations)
4. rooftops
5. New Windsor, Maryland

WHAT

1. Visual Works (hierarchy n … (1)
2. atmospheric perspective (1)
3. branches (plant component … (1)
4. clouds (1)

More 

WHEN

1. 1971 (1)
2. ca. 1971 (1)