75 years ago, the Auschwitz-Birkenau camps were liberated. During World War II, the Nazis murdered 6 million children, women and men simply because they were born Jewish. Seven survivors (Elie Buzyn, Francine Christophe, Frania Haverland, Yvette Lévy, Victor Pérahia, Daniel Urbejtel and Julia Wallach) deliver a message of remembrance and vigilance.