People of Buyi ethnic group perform a dance to celebrate the Sanyuesan Festival in Wangmo county, Southwest China's Guizhou province, March 30, 2017. People around China celebrate the Sanyuesan Festival on Tuesday, the third day of the third lunar month. [Photo/Xinhua]

Girls of Yao ethnic group show their long hair during a Long Hair Festival to celebrate the Sanyuesan Festival in Huangluo Yao village of Longji township, South China's Guangxi Zhuang autonomous region, March 30, 2017.[Photo/Xinhua]

Actors perform on a bamboo boat to celebrate the Sanyuesan Festival in Bazhaiyuan village of Guitai township in Qinzhou, South China's Guangxi Zhuang autonomous region, March 30, 2017. [Photo/Xinhua]

People of Yao ethnic group make Yao costumes to celebrate the Sanyuesan Festival in Huangluo Yao village of Longji township, South China's Guangxi Zhuang autonomous region, March 30, 2017. [Photo/Xinhua]

People of Yao ethnic group make Yao costumes to celebrate the Sanyuesan Festival in Huangluo Yao village of Longji township, South China's Guangxi Zhuang autonomous region, March 30, 2017. [Photo/Xinhua]

People perform a bamboo dance to celebrate the Sanyuesan Festival in Huangyao town in Hezhou, South China's Guangxi Zhuang autonomous region, March 30, 2017. [Photo/Xinhua]

People of Miao ethnic group perform a dance to celebrate the Sanyuesan Festival at a temple fair in Foshan, South China's Guangdong province, March 30, 2017. [Photo/Xinhua]