Megalithic structures in Peru, Egypt, and Baalbek remain a profound mystery. Massive stone blocks were cut, shaped, and fitted with extreme precision, even in very hard stone like granite, in ways that still challenge modern technology. While modern machines can lift heavy weights, how these stones were precisely cut and perfectly assembled without advanced tools remains unexplained. Without this lost knowledge, such feats would be extremely difficult if not impossible to replicate today. @ufo_s

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