The name Cradle of Humankind reflects the fact that the site has produced a large number , as well as some of the oldest , hominin fossils ever found , some dating back as far as 3.5 million years ago .
The name Cradle of Humankind reflects the fact that the site has produced a large number , as well as some of the oldest , hominid fossils ever found , some dating back as far as 3.5 million years ago .