Retis: Robert Smithson, Broken Circle, Spiral Hill, 1971
Retis: Robert Smithson, Broken Circle, Spiral Hill, 1971
Retis: Robert Smithson, Spiral Jetty, 1970
Retis: Robert Smithson, Spiral Jetty, 1970
Retis: Robert Smithson, Spiral Jetty, 1970
Retis: Robert Smithson, Spiral Jetty, 1970
Retis: Robert Smithson, Spiral Jetty, 1970