BERLIN - APRIL 29: A visitor looks at "Self-Portrait as Tehuana or Diego on My Mind" by Mexican painter Frida Kahlo at the Frida Kahlo Retrospective at Martin-Gropius-Bau on April 29, 2010 in Berlin, Germany. The exhibition, which is the biggest exhibition of Kahlo's work in Germany ever, will be open to the public from April 30 to August 9. (Photo by Sean Gallup/Getty Images)
