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Mother Nature Network • China’s Forbidden City built with sliding stones,...

09

Nov

 China’s Forbidden City built with sliding stones, not wheels Researchers calculated that a workforce of fewer than 50 men could haul a 123-ton stone on a sledge over lubricated ice from the quarry to the Forbidden City.

China’s Forbidden City built with sliding stones, not wheels
Researchers calculated that a workforce of fewer than 50 men could haul a 123-ton stone on a sledge over lubricated ice from the quarry to the Forbidden City.

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    NEXT WEEK!
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    the forbidden city was build by a work force of fifty men, wonder how many were used in the construction of paramids
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