LAST UPDATED AT 00:00 ON Thu 15 Jan 2009
'Dog in Doorway, Paterson', 1952 by Saul Leiter © Saul Leiter, courtesy Howard Greenberg Gallery, New York
'Mallam Mantari Lamal with Mainasara, Nigeria', 2005 From the series "The Hyena and Other Men" by Pieter Hugo © Pieter Hugo, courtesy Yossi Milo Gallery, New York
