UNFORGETABLE- Exactly 70 years ago, the Auschwitz concentration camp in Poland was liberated by Soviet soldiers. It was the largest camp established by Germany during World War 2 - and its name is forever associated with the Nazi plan to wipe out Europe's Jewish population.
More than a million people, the vast majority of them Jews, were killed there. (The sights and sounds of Auschwitz.)
(Published by BBC News.)