Mystery Ancient Skeletons in the Sahara

Like many great scientific discoveries, this one happened by accident. Paul Sereno, an expert in locating dinosaur fossils, was on an expedition to Niger in Saharan Africa. Six weeks into a three-month journey, his team made an unexpected discovery: human bones, the remains of peoples who lived 10,000 and 5,000 years ago.... PBS Programs

Título original: Skeletons of the Sahara (2013).

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