Sauerbruch, Matthias. GSW Headquarters, Berlin, Germany, Urban isometric, 1991. Acrylic paint and ink on transparent film mounted on stainless steel, 14 x 20 1/2" (35.6 x 52.1 cm). Gift of the A+D Circle and the Contemporary Arts Council of the Museum of Modern Art, 604.2009. (Photo: MoMA)