Damián Ortega, The Part played by Labour in the Transition from Ape to Man. “Darin Anteil der Arbeit an der Menschwerdung des Affen” (F. Engel), 2013, Wooden hand model and steel knives, 26 x 11 x 7 cm, © Damián Ortega, Photo: Ben Westoby, Courtesy White Cube