Photo taken on Dec. 3, 2020 shows the inside view of Wanxiang karst cave in Hanwang Township of Longnan City, northwest China's Gansu Province. (Xinhua/Ma Xiping)
Inside view of Wanxiang karst cave in NW China
Source: Xinhua| 2020-12-04 15:36:26|Editor: huaxia
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