Horses run at a horse field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region, Dec. 20, 2020. (Xinhua/Ding Lei)

Horses run at a horse field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region, Dec. 26, 2020. (Xinhua/Ding Lei)

Photo taken on Dec. 29, 2020 shows a view over Yuhu Lake in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

Photo taken on Dec. 31. 2020 shows a view of snow-covered field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Zhou Ye)

Horses run at a horse field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region, Dec. 31, 2020. (Xinhua/Ding Lei)

Swans are seen in the Swan Spring Wetland Park in Yining County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region on Jan. 2, 2021. (Xinhua/Ding Lei)

Aerial photo taken on Dec. 20, 2020 shows horses galloping at a horse field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

A herdsman watches over a herd of horses in snow-covered field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region, Dec. 21, 2020. (Xinhua/Ding Lei)

A herdsman is seen in snow-covered field in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region, Dec. 20, 2020. (Xinhua/Ding Lei)

Aerial photo taken on Jan. 2, 2021 shows a view of Tekes County, which is designed as a shape of Bagua or Eight Trigrams in Kazak Autonomous Prefecture of Ili, northernmost Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

Birds fly over Ili River in Yining City, northwest China's Xinjiang Uygur Autonomous Region, Jan. 3, 2021. (Xinhua/Zhou Ye)

Horses are seen in Zhaosu County, Kazak Autonomous Prefecture of Ili, northwest China's Xinjiang Uygur Autonomous Region, Dec. 20, 2020. (Xinhua/Ding Lei)

Aerial photo taken on Dec. 29, 2020 shows the winter scenery of Koktokay scenic area in Fuyun County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Sadat)

Aerial photo taken on Dec. 29, 2020 shows the winter scenery of Koktokay scenic area in Fuyun County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Sadat)

Aerial photo taken on Dec. 29, 2020 shows the winter scenery of Koktokay scenic area in Fuyun County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Sadat)