Watch a man build a thatch hut from only the materials in his immediate environment

Watch a man build a hut only from the materials in his immediate environment.

Watch this man make a bow and arrow from the natural resources around him. 

This is a cool animation of the probable migration routes out of Africa. 

Here is simple short video of how hunter-gatherers learned to farm and eventually grew into the world's first civilization in Mesopotamia.

Here is a whole set of 10 minute segments of a Discovery Channel video. Excellent.