Archaeologists are mystified by ancient “gates” in #Saudi lava fields https://t.co/4qRIRLm3eg pic.twitter.com/SWCNJhqbs1— shanecastile (@shanecastile) 22. Oktober 2017
Archaeologists are mystified by ancient “gates” in #Saudi lava fields https://t.co/4qRIRLm3eg pic.twitter.com/SWCNJhqbs1