View of Xinglong karst cave in north China's Hebei
Photo taken on Aug. 3, 2022 shows the Xinglong karst cave in Xinglong County, north China's Hebei Province.
Photo taken on Aug. 3, 2022 shows the Xinglong karst cave in Xinglong County, north China's Hebei Province.
Photo taken on Aug. 3, 2022 shows the Xinglong karst cave in Xinglong County, north China's Hebei Province.
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