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Easter Island Underworld: Revealed

We are back with a team of National Geographic explorers and scientists, deep beneath the legendary Easter Island, to map a vast cave system that became the last refuge of the people who carved these iconic statues. We learn more about these caverns as the team rappels down sheer cliffs and crawls through narrow labyrinths to complete their task. Now, these adventurers discover human remains and telltale artifacts that reveal an astonishing and brutal breakdown of a once utopian society.