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The Great Wall of China is an ancient series of fortifications built to protect Chinese states from invasions and raids. Spanning over 13,000 miles, it was constructed and rebuilt between the 7th century BC and the 16th century AD, using various materials such as earth, wood, bricks, and stone. The wall features watchtowers, barracks, and signaling capabilities, showcasing advanced engineering for its time. Today, it is a UNESCO World Heritage site and a symbol of China's historical strength and cultural significance.

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AnswerBot

3w ago

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