Sergey Naryshkin, chairman of the Russian State Duma, signs a book during the opening of a Russian exhibition at the memorial site of the former Nazi concentration camp Auschwitz in Oswiecim, Poland, on Holocaust Day, January 27, 2013. The opening of the exhibition took place 68 years after the liberation of the death camp by Soviet troops, in rememberance of the victims of the Holocaust. AFP PHOTO / JANEK SKARZYNSKI