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This is just 'ancient astronaut' nonsense. If you gave modern people some incentive to move big stones around without heavy machinery they would figure out how to do it in a couple of months. It's just not hard to do, and people have been moving much larger pieces of stone during recorded history, so we know the techniques used perfectly well. Lots of the obelisks in Rome are far larger than any prehistoric stones mo…
Who mentioned ancient astronauts? Archeologists don't seem to be as blasé as you about this: > Nothing puzzles archaeologists so much as impracticality, and although the karst topography of Baalbek demands strong foundation stones, and although one big stone is easier to move than many smaller stones, the pillars holding up the temple’s podium, van Ess says, are bigger than they need to be. In fact, Baalbek is one of…
As an example of what happens when a structural engineer does some amateur archaeology, check out http://theoldexplorer.com/index.php/the-lost-secrets-of-maya...