Photo taken on Jan. 20, 2019 shows yaks on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
Aerial photo taken on Jan. 20, 2019 shows a herd of horses running on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
Aerial photo taken on Jan. 20, 2019 shows a herd of horses running on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
Photo taken on Jan. 20, 2019 shows horses on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
Aerial photo taken on Jan. 20, 2019 shows a herd of horses running on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
Aerial photo taken on Jan. 20, 2019 shows a herd of horses running on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
Aerial photo taken on Jan. 20, 2019 shows a herd of horses running on the snow-covered grassland at a horse ranch in Shandan County of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Chao)
