Jeppe Hein: Appearing Rooms, 2004 Photo: L. Pitarakis

http://www.contemporaryartgallery.ca/

Hans Haacke: Painting in Oil, Homage to Marcel Broodthaers, 1982 Photo: Frieze Magazine

Robert Morris: Portland Mirrors, 1977 Photo: B. Adilon

Jeppe Hein: Modified Social Benches, 2005 Photo: C. Woolard

Robert Smithson: Corner Mirror with Coral. 1969. Photo: K. Archey

http://www.wikipedia.org/http://www.303gallery.com/http://www.nicolaiwallner.com/