REMOVE

1. bushes
2. hats
3. hills
4. landscapes (representations)
5. black-and-white film
6. tile (materials)

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. beaches (1)
4. buildings (structures) (1)

More 

WHERE

1. Ensenada, Baja California … (1)

WHEN

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