Australopithecus
Walking with Lucy: https://www.youtube.com/watch?v=xT8Np0gI1dI
Homo Erectus
1. https://www.youtube.com/watch?v=rcFgpV-ZqAI
Walking with Lucy: https://www.youtube.com/watch?v=xT8Np0gI1dI
Homo Erectus
1. https://www.youtube.com/watch?v=rcFgpV-ZqAI