Ancient humans lived inside a lava tube in the Arabian desert
Researchers exploring the Umm Jirsan lava tube system in Saudi ArabiaPALAEODESERTS Project, CC-BY 4.0 ( Archaeologists have found evidence of ...
Read moreResearchers exploring the Umm Jirsan lava tube system in Saudi ArabiaPALAEODESERTS Project, CC-BY 4.0 ( Archaeologists have found evidence of ...
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