PBS纪录片 早期人类 First Peoples 全5集 英文字幕
200,000 years ago we took our first steps in Africa. Today there are 7 billion of us living across the planet. How did our ancestors spread from continent to continent? This is a global detective story, featuring the latest archaeological discoveries and genetic research. On each continent, we track down the earliest members of our species, Homo sapiens. Who were these First Peoples? What drove them to the ends of the earth?
