I saw a documentary a while back about the Yawalapiti tribe. They are one of several tribes from the
Amazon basin of Brazil. I find it interesting that people still live like this.
A flickr search turned up some nice pics. Here are a two great sets.
http://www.flickr.com/photos/klausdg...7606165986019/
http://www.flickr.com/photos/2150396...7603470870976/
A couple samples: