Christo (b. 1935), The Pont Neuf, Wrapped (Project for Paris), 1985. Graphite, ink, crayon, charcoal, pastel, photograph, thread, printed paper collage and fabric on paper mounted on panel in artist’s frame, in two parts, smaller: 28.6 x 71.8 cm.; larger: 56.5 x 71.8 cm.

Christo (b. 1935), Over the River (Project for the Arkansas River, State of Colorado), 2001. Pencil, wax crayon, enamel paint, photograph by Wolfgang Volz, topographical map and tape on brown cardboard, 11 x 14 in.