Riders perform horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

A rider performs horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

A rider performs horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

People play musical instruments on the opening ceremony of a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

Riders perform horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

A rider performs horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

People perform Tibetan opera on the opening ceremony of a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

People perform Guozhuang dance, or Tibetan bonfire dance, on the opening ceremony of a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

Riders perform horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

People perform Guozhuang dance, or Tibetan bonfire dance, on the opening ceremony of a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

A rider performs horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

Riders perform horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)

Riders perform horsemanship during a horse racing festival in Litang County, southwest China's Sichuan Province, July 30, 2019. (Xinhua/Jiang Hongjing)