Models present traditional costumes of Mongolian ethnic group during the annual Nadam Fair of Inner Mongolia autonomous region in Hohhot, North China's Inner Mongolia autonomous region, July 23, 2016. Nadam, Mongolian for entertainment or games, used to be a traditional sports meeting held by the Mongolian people to celebrate their harvest. Inner Mongolia government has been hosting the fair annually since 1990 to boost tourism and communicate Mongolian culture. [Photo/Xinhua]