REMOVE

1. ships
2. shadows
3. sky
4. neckties
5. beards
6. shadows

WHAT

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

More 

WHERE

1. Paradise Island, Bahamas (1)

WHEN

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