埃及金字塔。竟然在4500年前搭建。很难想象4500年的古埃及人是怎么建这金字塔？
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No one figured out how they did it…
The precision cuts to the slabs, the perfect alignment to north. Moving the slabs. It is fantastic to see in person :)
That was built 4500 years ago, is there such technology in 4500? doubtful.
