7,000 Years Ago, Ancient Humans May Have Lived in This Giant Arabian Lava Tube
Inverse,
If you look from above, you can see thousands of stone structures dotting the landscape of the Arabian peninsula.
If you look from above, you can see thousands of stone structures dotting the landscape of the Arabian peninsula.
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The Umm Jirsan lava tube lies some 125 kilometres north of the city of Madinah, in the Harrat Khaybar lava field.
By Mathew Stewart and Michael Petraglia, Griffith University and Huw Groucutt, University of Malta Gold Coast (Australia), Apr…