The 2018 China International Equestrian Endurance Competition opens in Dangshan County, East China's Anhui Province, April 8, 2018. More than 100 jockeys from more than 10 countries and regions took part in the race, the highest level of its kind in China, held along the old riverway of the Yellow River. (Photo: China News Service/Han Suyuan)

The 2018 China International Equestrian Endurance Competition opens in Dangshan County, East China's Anhui Province, April 8, 2018. More than 100 jockeys from more than 10 countries and regions took part in the race, the highest level of its kind in China, held along the old riverway of the Yellow River. (Photo: China News Service/Han Suyuan)

The 2018 China International Equestrian Endurance Competition opens in Dangshan County, East China's Anhui Province, April 8, 2018. More than 100 jockeys from more than 10 countries and regions took part in the race, the highest level of its kind in China, held along the old riverway of the Yellow River. (Photo: China News Service/Han Suyuan)

The 2018 China International Equestrian Endurance Competition opens in Dangshan County, East China's Anhui Province, April 8, 2018. More than 100 jockeys from more than 10 countries and regions took part in the race, the highest level of its kind in China, held along the old riverway of the Yellow River. (Photo: China News Service/Han Suyuan)