LOL, to deny that man was capable of building these is to ignore the evidence of pyramid technical development! There are FAILED pyramids in Egypt, it looks like a situation of trial and error where they simply found the correct angle for the walls based on what the material could support. I could do that myself, if I had enough builders! Of course it would require me to use modern equipment, simply because I don't have 25 years per try to do it!
1 block every 5 minutes sounds OK to me. You get multiple teams doing it, hundreds of people involved, the block laying doesn't concern me at all! It's the block CUTTING I'm impressed with.
So dude showed how the pyramids could have been laid out accurately using a simple string. My whole feeling about the accuracy of the build is that at different times in history we've had advanced mathematics, and that it disappears whenever a cataclismic event causes us to go back to survival of the fittest. After a generation of living off the land it's easy to forget all your advanced technical knowledge.
Had it not been for such events, and wars, and religious wars against technology, and so forth, we would probaby be 1000 years more advanced by now, the world would be 10 times as overpopulated, and all our technology would probably be used to feed people and provide them water. Our fossil fuels would likely have been depleted hundreds of years ago. And people would be encouraged to commit suicide!
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