Photo taken on August 15 shows a competitor is galloping by on horse's back, photo from Xinhua.

The yak racing, photo from Xinhua.

The horses are galloping on the grassland,photo from Xinhua. 

A competitor is about to start, photo from Xinhua.

A man is picking up a hada scarf on the horse's back, photo from Xinhua.

A man is picking up a hada scarf on a running horse's back, photo from Xinhua.

Horse and yak racing competition was held to liven up the material exchange fair in Langzika County of Tibet with an average of more than 4,500 meters.