Belgian Queen Mathilde (C) and - King Philippe of Belgium (R) arrive at a tent build in front of the entrance of the former Nazi concentration camp Auschwitz-Birkenau for the main ceremony to mark the 70th anniversary of the liberation of the death camp on January 27, 2015 in Oswiecim, Poland. Seventy years after the liberation of Auschwitz, ageing survivors and dignitaries gather at the site synonymous with the Holocaust to honour victims and sound the alarm over a fresh wave of anti-Semitism.     AFP PHOTO / ODD ANDERSEN        (Photo credit should read ODD ANDERSEN/AFP/Getty Images)