These rectangles are scattered all over the lava fields of Saudi Arabia. They are divided into two or three areas, and many of them have a small rounded item inside, like a tumulus. What could they be? Graves? Fenced-in allotments? They are very often located on hills. I have not yet been able to find these structures, or a description of them, anywhere.
If anyone knows something about these constructions, I would like to receive some information:
