Thor Heyerdahl, The Tigris Expedition: in search of our beginnings", 1982.
“Prehistoric quarries on the prison island of Jidda, from where the ancient masons of Bahrain had rafted their big blocks.”
“…Late in 1977 Heyerdahl and an international crew embarked upon the Tigris expedition, a four-month, 4,000-mile (6,400-km) voyage in a craft made of reeds. The expedition began on the Tigris River in Iraq, traveling down the Persian Gulf, across the Arabian Sea to Pakistan, and ending in the Red Sea. The goal of the Tigris expedition was to establish the possibility that the ancient Sumerians might have used similar means to spread their culture through southwest Asia and the Arabian Peninsula. The voyage was recorded in Heyerdahl’s book The Tigris Expedition (1979) and in a documentary film. He subsequently led research expeditions to the Maldive Islands, to Easter Island, and to an archaeological site in Peru.”
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