Early hominids. A look at some of the early fossil finds and how hominids evolved to walk upright.

1. Human Origins in Africa

2. About 3.6 million years ago, a couple of hominids of the species we call Australopithecine went strolling through some volcanic ash. Their footprints were found in 1978.

9. The top ones are female and male modern humans. The bottom one is a chimpanzee pelvis.

16. Man, gorilla, chimpanzee, orangutan, gibbon