Visitors attend the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Ma Jing)

Riders perform horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Ma Jing)

A rider performs horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Zhao Dingzhe)

A rider performs horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Zhao Dingzhe)

Riders compete during the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Ma Jing)

Riders compete during the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Chen Bin)

A rider performs horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Chen Bin)

Dancers perform during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Chen Bin)

A rider performs horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Zhao Dingzhe)

A rider performs horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Chen Bin)

Dancers perform during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Chen Bin)

A rider performs horsemanship during the opening ceremony of the 12th Gesar horse racing festival in Maqu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 13, 2019. A total of 52 teams with over 900 horses will compete in the six-day event. (Xinhua/Zhao Dingzhe)