REMOVE

1. plants
2. yards (areas)
3. bushes
4. houses
5. workers
6. trees

WHAT

1. Visual Works (hierarchy n … (1)
2. automobiles (1)
3. buildings (structures) (1)
4. color film (film) (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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