At Auschwitz, the Germans left behind barracks and watchtowers, the remains of gas chambers and the hair and personal belongings of people killed there. The “Arbeit macht frei” (work will set you free) gate is recognized the world over.

In all, the Nazi regime murdered 6 million Jews from all over Europe, annihilating two-thirds of Europe's Jews and one-third of all Jews worldwide. In 2005, the United Nations designated Jan. 27 as International Holocaust Remembrance Day.

Over 1.1 million people were murdered at Auschwitz, including nearly a million Jews. On the day of liberation 80 years ago, only 7,000 were saved.

Survivors of the Nazi's notorious Auschwitz death camp are taking center stage at the memorial service to mark 80 years since its liberation by Soviet troops.

It doesn’t do any good for your heart, for your mind, for anything,” said Holocaust survivor Jona Laks, 94, about her return to Nazi Germany’s Auschwitz-Birkenau concentration camp.

By Barbara Erling and Kuba Stezycki OSWIECIM, Poland (Reuters) -Auschwitz survivors were being joined by world leaders on Monday to mark the 80th anniversary of the liberation of the Nazi German death camp by Soviet troops,

Silence pervades the site of Auschwitz-Birkenau today. Sometimes the only sounds are the soft footsteps of visitors, people who come from all over the world to mourn and to learn, and the voices of their guides speaking in hushed tones into microphones trying to explain the ungraspable.

Auschwitz survivors warned of the dangers of rising antisemitism on Monday, as they marked the 80th anniversary of the liberation of the Nazi German death camp by Soviet troops in one of the last such gatherings of those who experienced its horrors.

Jews in Hungary and around the world are observing Holocaust Remembrance Day 80 years after the liberation of the Auschwitz-Birkenau death camp