First evidence for human occupation of a lava tube in Arabia: The archaeology of Umm Jirsan Cave and its surroundings, northern Saudi Arabia oleh Mathew Stewart, Eric Andrieux, James Blinkhorn, Maria Guagnin, Ricardo Fernandes, Nils Vanwezer, Amy Hatton, Mesfer Alqahtani, Iyad Zalmout, Richard Clark-Wilson, Yahya S. A. Al-Mufarreh, Mahmoud Al-Shanti, Badr Zahrani, Abdulaziz Al Omari, Faisal Al-Jibreen, Abdullah M. Alsharekh, Eleanor M. L. Scerri, Nicole Boivin, Michael D. Petraglia, Huw S. Groucutt