First evidence for human occupation of a lava tube in Arabia: The archaeology of Umm Jirsan Cave and its surroundings, northern Saudi Arabia (IMAGE)
Caption
Researchers exploring the Umm Jirsan Lava Tube system.
Credit
PALAEODESERTS Project, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
Usage Restrictions
Credit must be given to the creator.
License
CC BY