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, one of the last such gatherings of those who experienced its horrors.

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, one of the last such gatherings of those who experienced its horrors.

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.

The ceremony is widely regarded as the last major observance likely to see a significant number of survivors in attendance.

World leaders and a dwindling group of survivors are joining ceremonies to mark the 80th anniversary of the liberation of the Nazi death camp by the Red Army.

WARSAW -- Auschwitz survivors and global leaders gathered at the site of the Auschwitz concentration camp in southern Poland to commemorate the 80th anniversary of its liberation.

The 80th anniversary of the liberation of Auschwitz by Soviet troops is being observed at the site of the former death camp.

Elderly camp survivors, some wearing striped scarves that recall their prison uniforms, walked to the the Death Wall, where prisoners were executed. Across Europe, officials were pausing to remember.

On Holocaust Memorial Day, the Oskar Schindler museum in Krakow, Poland, remembers victims of the Holocaust 80 years after the liberation of the Auschwitz-Birkenau death camp.

Commemorations at the concentration camp began earlier when Poland’s president Andrzej Duda joined Auschwitz survivors.

Watch as Holocaust survivors returned to Auschwitz in Poland on Monday, 27 January, marking 80 years since the concentration camp was liberated. Holocaust Memorial Day is held yearly on 27 January to commemorate the memory of the six million Jews and other groups who the Nazis murdered in the Holocaust.