My original comment was more along those lines, but then I did a quick Wiki refresher on Chariots of the Gods (possibly the origin of the popular "Ancient Aliens" push), and noted that the author included Stonehenge among his examples, so I changed course.
My original comment was more along those lines, but then I did a quick Wiki refresher on Chariots of the Gods (possibly the origin of the popular "Ancient Aliens" push), and noted that the author included Stonehenge among his examples, so I changed course.