Fall, 1968, New York. Hot-rolled steel, 21 units, 6 x 28 x 6 feet (1.8 x 0.7 x 1.8 m) each; 6 x 49 x 6 feet (1.8 x 14.9 x 1.8 m) overall. Solomon R. Guggenheim Museum, New York,Panza Collection, 91.3670. © Carl Andre/Licensed by VAGA, New York, NY. Photo: David Heald