Donald Judd, 15 untitled works in concrete, 1980-1984
Donald Judd, 15 untitled works in concrete, 1980-1984, detail. 2.5 x 2.5 x 5 meters. Permanent collection, the Chinati Foundation, Marfa, Texas. Photo by Frank Benson, 2012. Art © Judd Foundation/Licensed by VAGA, New York, NY