Researchers exploring the Umm Jirsan lava vents in Harrat Khaybar, Saudi Arabia, about 125km north of Madinah. Photo: Palaeodeserts Project
Researchers exploring the Umm Jirsan lava vents in Harrat Khaybar, Saudi Arabia, about 125km north of Madinah. Photo: Palaeodeserts Project
Humans occupied lava cave complex in Saudi Arabia 7,000 years ago
Researchers found artefacts, rock art and skeletal remains suggesting human occupation for thousands of years
