Girls pose before dancing at the opening ceremony of the Luoyue cultural and tourism festival for the "Sanyuesan" celebration in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, March 30, 2017. People of Zhuang ethnic group in Guangxi have a tradition to celebrate the Sanyuesan Festival on the third day of the third lunar month by wearing their traditional costumes. (Xinhua/Huang Xiaobang)