Survivors and dignitaries are assembling Sunday at Auschwitz-Birkenau to commemorate the 74th anniversary of the liberation of the Nazi death camp where more than one million prisoners, mostly Jews, were murdered. The number of survivors is shrinking each year, resulting in fewer personal testimonials. "Soon we will no longer have people talking about their experiences," said Pawel Sawicki, press officer for the Auschwitz-Birkenau State Museum. That's why the physical evidence becomes increasingly important. Suitcases of Jews deported by the Germans to Auschwitz.