Holocaust survivors are taking part in memorial events at Nazi concentration camp Auschwitz, 70 years after it was liberated.
The former extermination camp is the world's biggest Jewish cemetary.
More than one million people were killed at the site in Poland during World War II.
Holocaust survivor Arak Hersch has returned to Auschwitz to mark the anniversary and remembers fellow prisoners committing suicide by touching the camp's electric fence.
IN: "Can you…
OUT: …a bullet."
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