Monday marks the 80th anniversary of the liberation of the Nazis' Auschwitz-Birkenau extermination camp, where an estimated 1.1 million people, mainly Jews, were murdered during the Holocaust. One of the youngest survivors was an 8-year-old Polish girl named Rutka. She moved to Canada after World War II and took the name Rachel Hyams. Decades later, she died by suicide. Rachel's daughter, Audrey Hyams Romoff, has been retracing her mother's steps in search of answers, and allowed PBS News Hour s

Few orphans are as lucky as Little Miss Walrus. Stream "Walrus: Life on Thin Ice" from Nature | PBS on the PBS app! | PBS