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Tourists visit the Kalajun grassland in Tekes County, northwest China's Xinjiang Uygur Autonomous Region, Aug. 13, 2019. (Xinhua/Hu Huhu)

Tourists visit the Kalajun grassland in Tekes County, northwest China's Xinjiang Uygur Autonomous Region, Aug. 13, 2019. (Xinhua/Hu Huhu)