Early Man and the Ocean: A Search for the Beginnings of Navigation and Seaborne Civilizations
Presents Heyerdahl's original research into ancient oceanic voyages, including the Kon-Tiki and Ra e...
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Presents Heyerdahl's original research into ancient oceanic voyages, including the Kon-Tiki and Ra expeditions, which support his theories about prehistoric voyagers traveling across the southern Atlantic to Mexico
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