A visitor looks at the photo sequence 'Spuren der Macht' (Traces of Power) by German photographer Herlinde Koelbl during a press conference of her new exhibition 'Herlinde Koelbl. Fotografien 1976�2009' on July 16, 2009 in Berlin. The exhibition, mainly featuring portraits, is on show at the Martin-Gropius-Bau from July 17 to November 1, 2009. AFP PHOTO KAVEH ROSTAMKHANI (Photo credit should read KAVEH ROSTAMKHANI/AFP/Getty Images)