 you wouldn't really notice a difference. Oh, really? Yeah, she would walk a lot like us. She wasn't hunched over. She wasn't bent hip, bent knees. She didn't walk like an upright chimpanzee. She walked a lot like us. And this was what, like 3.2 million years ago? Exactly, exactly. So by 3 million years ago, you have a very human-like gait that had evolved in Australopithecus, what we call Australopithecus afarensis, Lucy and her kind.