# data[].attributes.body
It was built during the 5th and 6th century.

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- The wall was 21 200 km long.
- It measures between 6-7 meters high.
- It's located between the border with Korea and the Yalu river.

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Why chineses built the great wall of China?

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Why chineses built the great wall of China?

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It was built to protect the northern border of the Chinese empire during attacks by nomads from Mongolia.