REMOVE

1. doors
2. houses
3. service stations
4. 1971

WHAT

1. Visual Works (hierarchy n … (2)
2. beaches (2)
3. black-and-white film (2)
4. buildings (structures) (2)
5. bushes (2)

More 

WHERE

1. Ensenada, Baja California … (2)

WHO

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

WHEN

1. 1949 (2)
2. circa 1949 (1)