REMOVE

1. hats
2. sky
3. beaches
4. tile (materials)
5. 1949

WHAT

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

More 

WHERE

1. Ensenada, Baja California … (1)

WHEN

1. circa 1949 (1)