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A tourist takes photos of the scenery in Guan'egou National Forest Park in Dangchang County of Longnan City, northwest China's Gansu Province, June 19, 2019. (Xinhua/Ma Ning)
A tourist takes photos of the scenery in Guan'egou National Forest Park in Dangchang County of Longnan City, northwest China's Gansu Province, June 19, 2019. (Xinhua/Ma Ning)