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Tourists view Wanxiang karst cave in NW China's Gansu

CHINA-GANSU-KARST CAVE (CN)

Photo taken on May 13, 2019 shows the inside view of Wanxiang karst cave in Hanwang Township of Longnan City, northwest China's Gansu Province. (Xinhua/Tu Guoxi)

[ Editor: WPY ]