On Earth: What is the Human Legacy?

[nomadguy]

where we start - learn from the elders

Source: http://www.youtube.com/watch?v=IZmcRp6XbkA

Source: http://www.youtube.com/watch?v=w0sWIVR1hXw

Source: http://www.youtube.com/watch?v=a8zAh3irMYo