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The March of the Living is a yearly event recalling the victims and survivors of the Holocaust, held at Auschwitz-Birkenau, the largest Nazi concentration camp.
Holocaust survivors are taking part in the ceremony, 78 years after Soviet forces entered the concentration and extermination camp. Some 1.1 million people were murdered at the Auschwitz-Birkenau complex.
An emotional Doug Emhoff wiped away tears on Friday as he laid a wreath at the death wall in the Auschwitz-Birkenau concentration camp, where Nazis killed millions of Jews during World War II.