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