REMOVE

1. sky
2. shadows
3. tractors (agricultural equip …
4. rooftops

WHAT

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

More 

WHERE

1. Paradise Island, Bahamas (1)

WHEN

1. 1967 (1)
2. 1971 (1)
3. ca. 1969 (1)