A woman looks at an artwork, entitled The Birth of Hitler, by Icelandic artist Erro, during the preview of the exhibition “Divided Heaven. 1945-1968. The Collection” in Berlin, Germany, 10 November 2011. The exhibition, which is the second instalment in the showing of the New National Gallery's collection of 20th-century art, opens to the public from 11 November 2011 until Spring 2013.