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Ming Wall survey data

THE findings of a two-year investigation into the length of the Great Wall during the Ming Dynasty (1368-1644) era were released on Saturday. Experts found it to be more than 2,551 kilometers longer than earlier thought.

The Ming Dynasty Great Wall is 8,851.8 kilometers long, said the State Administration of Cultural Heritage and the State Bureau of Surveying and Mapping.

Their joint investigation has increased the length of the Ming Dynasty Great Wall by 2,551.8 kilometers.

The Ming portion of the Great Wall is the most visually striking and well-preserved portion of the world-famous monument.

The Great Wall was first built in the Warring States Period (475-221 BC). It was listed as a United Nations World Heritage Site in 1987.

The newest survey result shows that the Ming Dynasty Great Wall starts from the Hushan section of the Great Wall in northeast China's Liaoning Province, and ends at Jiayu Pass in Gansu Province in northwest China.

It passes through 10 provinces, municipalities and autonomous regions - Liaoning, Hebei, Tianjin, Beijing, Shanxi, Inner Mongolia, Shaanxi, Ningxia, Gansu and Qinghai.

It has a wall of 6,259.6km, 359.7km of trenches, and 2,232.5km of natural barriers such as hills and rivers.


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