Cattle forage on a grassland with blooming iris lactea flowers in northwest China's Xinjiang Uyghur Autonomous Region. Photo: China News Service

A cattle forages on a grassland with blooming iris lactea flowers in northwest China's Xinjiang Uyghur Autonomous Region. Photo: China News Service

Horses forage on a grassland with blooming iris lactea flowers in northwest China's Xinjiang Uyghur Autonomous Region. Photo: China News Service

Cattle forage on a grassland with blooming iris lactea flowers in northwest China's Xinjiang Uyghur Autonomous Region. Photo: China News Service