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I've watched some of the series, and how most of the things were done by ancients have real mechanical solutions. For instance, the massive blocks in Baalbek Lebanon. They are beyond the capacity of the Northup Grumman gantry crane in Newport News. I can see that by using small wedges and moving these stones inch by inch would get them to the required elevations. It took time and manpower. And the plains of Nazca, massive undertaking. But again with the right amount of planning and manpower. One episode that was fascinating was the carvings in Puma Punku, Bolivia. Amazing work. It shows what extreme skills people can develop when they have the time to do it.
What I am really curious about is why did the ancients select such difficult ways to do these things?
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