OSWIECIM, POLAND - JANUARY 27: The Birkenau Memorial is seen with candles left by Auschwitz survivors and families on January 27, 2015 in Oswiecim, Poland. International heads of state, dignitaries and over 300 Auschwitz survivors are attending the commemorations for the 70th anniversary of the liberation of Auschwitz by Soviet troops on 27th January, 1945. Auschwitz was among the most notorious of the concentration camps run by the Nazis during WWII and whilst it is impossible to put an exact figure on the death toll it is alleged that over a million people lost their lives in the camp, the majority of whom were Jewish. (Photo by Ian Gavan/Getty Images)
