REMOVE

1. parking lots
2. backdrops
3. rugs (textiles)
4. shadows
5. artists (visual artists)

WHAT

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

More 

WHERE

1. Ensenada, Baja California … (1)

WHEN

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