An elderly man herds at Beidaying Grassland in Hekou Town of Xundian Hui and Yi Autonomous County, southwest China's Yunnan Province, Aug. 10, 2019. (Photo: Xinhua)

Photo taken on Aug. 10, 2019 shows the scenery of Beidaying Grassland in Hekou Town of Xundian Hui and Yi Autonomous County, southwest China's Yunnan Province. (Photo: Xinhua)

Tourists ride horses at Beidaying Grassland in Hekou Town of Xundian Hui and Yi Autonomous County, southwest China's Yunnan Province, Aug. 10, 2019. (Photo: Xinhua)

Tourists fly kites at Beidaying Grassland in Hekou Town of Xundian Hui and Yi Autonomous County, southwest China's Yunnan Province, Aug. 10, 2019. (Photo: Xinhua)

Tourists take photos at Beidaying Grassland in Hekou Town of Xundian Hui and Yi Autonomous County, southwest China's Yunnan Province, Aug. 10, 2019. (Photo: Xinhua)