a tiny female collapses into an ancient lake. She emerges three million years later, and a determined anthropologist finds her fossilized bones. Could she be the missing link between ape and us? For Don Johanson, she is the starting point of a tireless quest to understand our past. "In Search of Human Origins." part 2 https://www.youtube.com/watch?v=ZZhw6LtKc58
