A rider tames horses on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region, Jan. 12, 2020. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

A rider tames horses on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region, Jan. 12, 2020. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

Photo taken on Jan. 12, 2020 shows horses running on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

Photo taken on Jan. 12, 2020 shows horses running on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

A rider tames horses on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region, Jan. 12, 2020. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

Photo taken on Jan. 12, 2020 shows horses running on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

A rider tames horses on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region, Jan. 12, 2020. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

Photo taken on Jan. 12, 2020 shows horses running on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

A rider tames horses on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region, Jan. 12, 2020. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)

A rider tames horses on the snow-covered grassland in Xilinhot, north China's Inner Mongolia Autonomous Region, Jan. 12, 2020. A horse training activity was held at a horse farm here on Sunday. (Xinhua/Liu Lei)