Great Walls of China
The Great Wall of China is not a single structure but rather a series of walls built over centuries, often constructed with rudimentary materials. The first emperor, Qin, unified these walls into a continuous barrier, but their purpose evolved over time, especially during the Mongol invasions when the wall became largely irrelevant. Different dynasties approached the wall's maintenance and expansion with varying degrees of commitment, reflecting the changing political landscape of China.In this clip
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The Great Wall of China
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