REMOVE

1. trimming (material)
2. trees

WHAT

1. Visual Works (hierarchy n … (2)
2. black-and-white film (2)
3. bushes (2)
4. columns (architectural el … (2)
5. plants (2)

More 

WHERE

1. 312 Church Street, New Wi … (1)
2. Yaddo, Saratoga Springs, … (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1934 (1)
2. 1966 (1)