Unprecedented evidence humans occupied ‘lava tubes’ could fill in gaps in the archeological record, scientists say
By Mindy Weisberger, CNN (CNN) — People who lived in the Arabian Peninsula thousands of years ago went underground when they wanted to beat the heat. Possibly stopping there as they traveled between oases and pastures, they ducked into vast subterranean tunnels where molten lava had once flowed millions of years earlier, according to a recent
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