Riders compete in a camel race during the 10th winter Nadam of the East Ujimqin Banner at Wuliyasitai town on Jan 21, 2015, North China's Inner Mongolia autonomous region. Nadam is a mass traditional Mongolian festival where people celebrate harvests and pray for good luck. The winter Nadam usually features traditional Mongolian sports such as horse racing, camel racing and Mongolian wrestling. [Photo/Xinhua]