Longling was an important passage of the famous "South Silk Route" in history.

龙陵是历史上著名的“南方丝绸之路”的重要通道。

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Longling was an important passage of the famous "South Silk Route" in history.

龙陵是历史上著名的“南方丝绸之路”的重要通道。

youdao