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Survivors return to Auschwitz on the 70th anniversary of liberation

Photo gallery: Moving portraits of leaders and survivors gathered in Poland
Holocaust survivor Mordechai Ronen (C) from the US is comforted by his son as he is overcome by emotion standing next to President of the World Jewish Congress Ronald Lauder (2nd R) as he arrives at the former Auschwitz concentration camp in Oswiecim on January 26, 2015. Ronen who was 11 years old when he arrived at the Nazi death camp lost his mother and sister there. Survivors and heads of state will attend a ceremony marking the 70th anniversary of the liberation of the camp by Soviet troops on January 27, 1945. ODD ANDERSEN/AFP/Getty Images

Leaders from Europe and beyond gathered in Poland with some 300 survivors to mourn and commemorate the 70th anniversary of the Nazi death camp’s liberation by Soviet troops. Below, we’ve gathered some of the most moving shots from an emotional day.

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