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Topic: Underground Lava Tubes Were Desert Pit Stops for Humans 7,000 Years Ago (Read 91 times) previous topic - next topic

Underground Lava Tubes Were Desert Pit Stops for Humans 7,000 Years Ago

Underground Lava Tubes Were Desert Pit Stops for Humans 7,000 Years Ago

[html]Researchers determined underground lava tubes in the Saudi Arabian desert served as a shepherd way station.[/html]

Source: Underground Lava Tubes Were Desert Pit Stops for Humans 7,000 Years Ago (http://ht**://www.discovermagazine.c**/the-sciences/underground-lava-tubes-were-desert-pit-stops-for-humans-7-000-years-ago)