What period is the Yungang Stone Cave from?

云岗石窟是哪个年代的？

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The city of Lian Yungang has a typical structure of "one city, two towns".

连云港市呈现出典型的一市双城式空间结构。

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The city of Lian Yungang has a typical structure of "one city, two towns".

连云港市呈现出典型的一市双城式空间结构。

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