Lava Tube Cave In Arabian Desert Hosted Ancient Humans For 7,000 Years
A lava underground in Saudi Arabia sheltered ancienthumansfor at least 7,000 years , new inquiry has suggest . A gem treasure trove of archaeological finds – including artefact , tilt art , and skeletal remains – suggests for the first time that the extensive cave system of rules was used by human pastoralists and their stock for several millennia . The Umm Jirsan lava thermionic valve is situated in the Harrat Khaybar volcanic theatre of operations in northwesterly Saudi Arabia and stretches for 1,481 meters ( 4,859 metrical foot ) beneath the landscape , making it the long lava thermionic vacuum tube in the land ....