Why did the Chinese build a Great Wall?

First published at 01:14 UTC on April 5th, 2018.
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The Great Wall of China. 6,259 km of stone, 359 km of trenches and 2,232 km of natural defensive barriers such as hills and rivers. The first sections of the wall were built as early as the 7th century BC, but most of what we now know as one of the …

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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