REMOVE

1. sidewalks
2. doors
3. trucks
4. workers

WHAT

1. Visual Works (hierarchy n … (3)
2. buildings (structures) (3)
3. exterior views (3)
4. men (male humans) (3)

More 

WHERE

1. New Windsor, Maryland (2)
2. 48 Cooper Square, New Yor … (1)

WHO

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

WHEN

1. 1952 (1)
2. 1971 (2)
3. ca. 1952 (1)
4. ca. 1971 (2)

Less