The Canary Islands not only boast the third largest volcano in the world, but also the largest natural underwater lava tunnel. Mount Teide, the third largest volcano, resides in Tenerife ...
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Unprecedented evidence humans occupied ‘lava tubes’ could fill in gaps in the archeological record, scientists sayPossibly 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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