REMOVE

1. platforms (general)
2. oceans
3. artists (visual artists)
4. black-and-white film

WHAT

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

More 

WHERE

1. Ensenada, Baja California … (1)

WHEN

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