Drain the Oceans S04E05 - The First Americans

At the end of the last Ice Age, the first humans migrated into the Americas. Some believe they travelled overland, but now archaeologists are looking to the coast. And what does a 13,000-year-old skeleton found in the Mexican jungle tell us about these people and their world? By draining ta deep, underground cave, we reveal the new science rewriting the epic story of the first humans to live in the New World.