Aerial photo shows the winter scenery of the Haltent grassland in the Kazak Autonomous County of Aksay, northwest China's Gansu Province, Jan. 8, 2022. (Photo by Ma Xiaowei/Xinhua)

Aerial photo shows horses running on the Haltent grassland in the Kazak Autonomous County of Aksay, northwest China's Gansu Province, Jan. 8, 2022. (Photo by Ma Xiaowei/Xinhua)

Tibetan gazelles are seen on the Haltent grassland in the Kazak Autonomous County of Aksay, northwest China's Gansu Province, Jan. 8, 2022. (Photo by Ma Xiaowei/Xinhua)

Tibetan gazelles are seen on the Haltent grassland in the Kazak Autonomous County of Aksay, northwest China's Gansu Province, Jan. 8, 2022. (Photo by Ma Xiaowei/Xinhua)

Aerial photo shows horses running on the Haltent grassland in the Kazak Autonomous County of Aksay, northwest China's Gansu Province, Jan. 8, 2022. (Photo by Ma Xiaowei/Xinhua)

Aerial photo shows horses running on the Haltent grassland in the Kazak Autonomous County of Aksay, northwest China's Gansu Province, Jan. 8, 2022. (Photo by Ma Xiaowei/Xinhua)