Villagers of the Yao ethnic group sing folk songs to celebrate the Danu Festival in the Yao ethnic town of Sannong, in Donglan county, South China's Guangxi Zhuang autonomous region, July 14, 2015. The Danu Festival is the biggest traditional festival among Yao people which involves dancing, sporting events, and commerce. Every year on the 29th day of the fifth Chinese lunar month, the Yao people will get together and celebrate their own festival. [Photo/Xinhua]