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People enjoy the scenery of Guan'egou National Forest Park in Dangchang County of Longnan City, northwest China's Gansu Province, June 19, 2019. (Xinhua/Chen Bin)
People enjoy the scenery of Guan'egou National Forest Park in Dangchang County of Longnan City, northwest China's Gansu Province, June 19, 2019. (Xinhua/Chen Bin)