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

  • CanadaPlus@lemmy.sdf.org
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    7 months ago

    I mean, it’s probably both. They would have used a bunch of guys, and maybe oxen, because that was their source of mechanical energy for nearly everything. To make is easier, they would add the cleverest engineering you can do with no formal science and bronze age materials.