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1:26:29
YouTube
Empires in Mystery
30 Ancient Megastructures Built Without Modern Tools: The Secrets of Their Construction
How did ancient civilizations around the world construct 30 staggering megastructures without modern tools or technology? We explore the mind-bending brilliance behind history’s most mysterious monuments—from the perfectly aligned Great Pyramid of Giza and Stonehenge's astronomical stones to the mountaintop fortress of Machu Picchu and the ...
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