1967, Sculpture Wall, Golden Gate Center, San Francisco, V.S. (detail), beton, length 7 m x height 3 m

1967, Sculpture Wall, Golden Gate Center, San Francisco, V.S., beton, length 7 m x height 3 m

1967, Sculpture Wall, Golden Gate Center, San Francisco, V.S., beton, length 7 m x height 3 m

1967, Sculpture Wall, Golden Gate Center, San Francisco, V.S., beton, length 7 m x height 3 m

1968, Jan Goossen, hout. San Francisco

1968, Jan Goossen, hout. San Francisco