Experts are still unsure as to the purpose of the structures, but some of them were found to be draped over lava domes – a mound shaped area where lava has dried near volcanoes.
The stone walls, which have been called “gates” as they resemble field gates when viewed aerially, were found in a region in west-central Saudi Arabia called Harrat Khaybar.
David Kennedy, a professor at the University of Western Australia, who helped to discover the gates through satellite imagery, said they “are sto...
Published on October 18, 2017 21:01