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. (Xinhua/Yang Zongyou)

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. (Xinhua/Yang Zongyou)

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

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

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