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Francois's langurs, an endangered monkey species, are seen at the Mayang River national nature reserve in Yanhe Tujia Autonomous County, southwest China's Guizhou Province, May 17, 2018. (Xinhua/Yang Wenbin)
Francois's langurs, an endangered monkey species, are seen at the Mayang River national nature reserve in Yanhe Tujia Autonomous County, southwest China's Guizhou Province, May 17, 2018. (Xinhua/Yang Wenbin)