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Enough of the pyramids. No-One knows how they were built. Everyone has a theory but nothing concrete (Did I mention concrete?) It would have been a lot easier than humping those great stones uphill. Talking of stones, I live not too far from Stonehenge. Now all you clever people how was that built and how and why did they bring stones from Wales all that way to Salisbury Plain?
How many "big things" were built, and over what timeframe?
When you say "big things" , how big are you asking about ? Do stone temples count ?
Speaking of building things, did you know that, in spite of what the movies say, pharaohs did not build stone palaces ?
Each pharaoh had an elaborate mud brick and stucco "palace" built for himself.
When I visited Egypt many years ago, the main Pyramid was closed to visitors, but I did manage to go inside the smaller one next to it. The shaft leading down into the pyramid was quite steep, and you had to bend really low to walk down it. The blocks in the main hall were so precisely cut and fitted together, I bet you couldn't get a playing card between them. Marvellous engineering.
Yes, I noticed the same thing everywhere I went in Egypt. It boggles my imagination to know that it took an hour or so to cut through 1 cm of granite, using copper saws and wet sand as a cutting agent. (at least that is how long Egyptologists say)
My personal theory is that teams rotated when "sawer men" got too tired to cut any more.
Or by shear time, talent, experience, trial and improvement and hard graft OGF.
They may well have developed machines to help, using humans to power them.
I'd love to see any such "machine". Moreover, I also love to know how that "machine" was powered. For that matter, I'd like to even hear a description of such a "machine".
When you say "big things" , how big are you asking about ? Do stone temples count ?
Speaking of building things, did you know that, in spite of what the movies say, pharaohs did not build stone palaces ?
Each pharaoh had an elaborate mud brick and stucco "palace" built for himself.
I'm referring to things that involved a significant number of masonry pieces, not necessarily of the order of magnitude of the pyramids, but large enough to require possibly thousands of people ove a few decades.