Ruth Cohen, a 94-year-old American Holocaust survivor, returned to the Auschwitz concentration camp in Poland for the first time. She recalled seeing family members before they were separated for the last time at the camp.

The dwindling numbers offer a stark representation of the declining population of survivors who are still able to tell their stories.

Around 50 survivors of the Nazi concentration camp Auschwitz gathered together for the 80th anniversary of the liberation of the camp.