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Xi'an was the capital of ancient China. It was surrounded by a massive, square wall with a total circumference of 16 km. The wall is 12m high and 15-18m thick at the base. This picture was taken on top of the southern section. |
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Xi'an was the capital of ancient China. It was surrounded by a massive, square wall with a total circumference of 16 km. The wall is 12m high and 15-18m thick at the base. This picture was taken on top of the southern section. |
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