Holocaust survivor Henia Bryer: Now in her 80s, she fears younger generations lack knowledge of the Holocaust. "I had an operation once and the anaesthetist comes and looks at [the tattoo on] my arm and he says, 'What is this?' And I said, 'That's from Auschwitz.' And he said, 'Auschwitz, what was that?' And that was a young man, a qualified doctor," she says.