Keith Sonnier, Motordom (2004). Neon, argon, aluminum housing. Permanent Exterior courtyard installation for Caltrans District 7 Headquarters. 100 S Main St, Los Angeles, CA 90012, Commissioned by the State of California, Department of General Services. Architect: Morphosis - Thom Mayne. Photographs: Roland Halbe. Courtesy of Keith Sonnier Studio © 2018 Keith Sonnier/ Artist’s Rights Society (ARS), New York.