Rosa Molcho, 78, is still haunted by a terrible memory from her childhood. "At noon I heard a noise," she says in a video clip posted on a special YouTube channel. "I looked out the window ... I saw a fireball and I ran. I shouted 'Mama! Mama!' I'll never forget the sight of the dead people on the floor ... When they took Mama's body, [people] yelled, 'Why are you burying the dirty Jew?'...