Believe it or not, no aliens were likely involved! Just some very smart humans and a massive amount of labor.

    • Haagel
      link
      fedilink
      English
      arrow-up
      2
      ·
      9 months ago

      I’ve also heard of this. It seems to me that this theory should be easy to confirm with some sort x-ray or radar or lidar or something, so that we can see the shape of the structure beneath the superficial layers…