The three age system: stone age, paleolithic (old stone age, lower middle and upper, mesolithic (middle stone age, neolithic (new stone age, bronze age, iron age. Upper paleolithic: starts around 50 000 years ago, they appeared around earlier in other parts of the world than. Europe and: a lot of upper paleolithic revoluation happened in africa. This is very old, and it predates that pre modern human changes. This can be easily created sharp ages: people travled long distance, docs use obsidian knifes for sugery equipment and they use them for eye surgery. They found ivory beads and brastlet on the adult. And they found padent on the children. There are 243 pits and it is the adjusted period od deer and length of summer and winter. This one looks like a pregnant women looks down at her self: chauvet (35000 32000years old ) oldest cave paintings caves in europe.