Aerial photo taken on Oct. 18, 2019 shows a view of Heicheng relic site in Ejina Banner, north China's Inner Mongolia Autonomous Region. Heicheng relic site is a well preserved ancient city on the Silk Road that linked China with central and western Asia. (Xinhua/Peng Yuan)
View of Heicheng relic site in Ejina Banner, China's Inner Mongolia
Source: Xinhua| 2019-10-20 15:42:27|Editor: Yurou
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