00438nam a2200085Ia 4500008004100000245002100041300023100062650000900293856005000302170517s9999    xx            000 0 und d  aPeople in Motion  aWe were hunters and foragers. The frontier was everywhere. We were bounded only by the earth, the ocean and the sky. Today we go about our business, unencumbered by the frontier. Society guides us, it gives us permission to...  xArt.  uhttp://topdocumentaryfilms.com/people-motion/