Exploring ancient Beijing's city walls and moats
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| Models of suits of armor made of paper. One of the functions of ancient high city walls is to fend off enemies. [Photo taken by Liu Qiang / China.org.cn] |
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| Models of suits of armor made of paper. One of the functions of ancient high city walls is to fend off enemies. [Photo taken by Liu Qiang / China.org.cn] |
