The White Pants Yao students competes the whipping top during a sports festival in Lihu Yao Autonomous Township of Nandan County, south China's Guangxi Zhuang Autonomous Region, Dec. 7, 2016. The White Pants Yao, or Baiku Yao in Chinese, is a branch of the Yao ethnic group in southwest China. Playing the whipping top is a popular game for them during festival times. (Xinhua/Fu Longqiang)