How and Why the Great Wall of China Was Really Built
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The Great Wall of China
The Great Wall of China was built 2,200 years ago out of military necessity: to combat the Mongolian ancestors of Genghis Khan. Its construction was a marvel of military engineering.
From: SECRETS: Great Wall of China
http://bit.ly/1PAENoe
From: SECRETS: Great Wall of China
http://bit.ly/1PAENoe
9 سال پیش
در تاریخ 1394/06/06 منتشر شده
است.
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