Spiral Jetty © Estate of Robert Smithson. Courtesy James Cohan Gallery, NY; Collection Dia Center for the arts, NY. Photo: Gianfranco Gorgoni	Mark Tansey Study for Purity Test, 1982 oil on canvas, 24 x 30'' © Curt Marcus Gallery, New York	Charles Ross Star Axis, looking north 2 hour time lapse © Charles Ross, 1999
View of the exhibition	View of the exhibition (in front W. Scherübl Eis oder wie der Tiroler mit Kunst infiziert wird)	Works by Ansel Adams