Can we keep the memory fresh? Today is Holocaust Memorial Day and the 80th anniversary of the liberation of Auschwitz. But as survivors die of old age, memories are starting to fade.
Holocaust survivors warn of forgetting
Fading picture: As the last eye-witnesses of the terrible genocide of European Jews during World War Two die, it will be the task of younger generations all over the world to keep the memory and the warning alive. Glossary
Red Army - Over four million German soldiers were killed fighting the Soviet Army between 1941 and 1945. Russian casualties are estimated at close to 11 million.
Soviet Union - Officially the Union of Soviet Socialist Republics (USSR). A powerful group of communist republics, the biggest being Russia, that existed from 1922 to 1991.
Concentration camps - A large prison for people held without legal justification, such as political prisoners or persecuted minorities. The first concentration camps were built by British colonial rulers in South Africa, but the term is most associated with Nazi camps, some of which were used to execute Jewish and other inmates as well as to imprison them.
Nazi Germany - The German state between 1933 and 1945, when it was ruled by Adolf Hitler's Nazi party.
Jewish - Relating or belonging to the religion of Judaism.
Millennials - People who reached adulthood in the early 21st Century.