Demoiselle cranes forage at a prairie in Urad Zhongqi, north China's Inner Mongolia Autonomous Region, Aug. 13, 2018. (Xinhua/Zhi Maosheng)

A herdsman herds horses at a prairie in Urad Zhongqi, north China's Inner Mongolia Autonomous Region, Aug. 13, 2018. (Xinhua/Zhi Maosheng)

Horses forage at a prairie in Urad Zhongqi, north China's Inner Mongolia Autonomous Region, Aug. 13, 2018. (Xinhua/Zhi Maosheng)