Auschwitz survivors warn 'world has become toxic' on 80th anniversary of death camp's liberation

A portrait of an older man in a striped hat. You just see his eyes and hat

The 80th anniversary of the liberation of Auschwitz by Soviet troops is being marked on Monday at the site of the former death camp, a ceremony that is widely being treated as the last major observance that any notable number of survivors will be able to attend.