Topic ID #17096 - posted 3/20/2012 4:21 AM

Google Earth and carbon dating used to find "lost" section of Great Wall of China

Jennifer Palmer

"Lost" Great Wall of China Segment Found?
Google Earth, carbon dating suggest wall network even bigger than thought.
James Owen for National Geographic News Published March 19, 2012

A forgotten section of the Great Wall of China has been discovered deep in the Gobi Desert—and outside of China—researchers say.

With the help of Google Earth, an international expedition documented the ancient wall for roughly 100 kilometers (62 miles) in a restricted border zone in southern Mongolia in August 2011.

The defensive barrier formed part of the Great Wall system built by successive Chinese dynasties to repel Mongol invaders from the north, according to findings published in the March issue of the Chinese edition of National Geographic magazine. (The National Geographic Society is responsible for both the magazine and National Geographic News.)

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