Anselm Kiefer, Sprache der Vögel, 1989. Lead, steel, wool, oil, plaster, resin and acrylic, 114 3/16 x 194 1/8 x 66 15/16in. (290 x 493 x 170cm). © Anselm Kiefer. Photograph © Ben Westoby. Courtesy White Cube, London.
Georg Baselitz, Adler (Eagle), 1977. Etching printed from perspex plate with oil on paper. Presented to the British Museum by Count Christian Duerckheim. Reproduced by permission of the artist. © Georg Baselitz.