Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders compete during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Purbu Zhaxi)

Riders prepare for starting during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Jigme Dorje)

A rider competes during a horse race at the Dangjiren horse racing festival in Damxung County, southwest China's Tibet Autonomous Region, Aug. 10, 2020. (Xinhua/Jigme Dorje)