People of Yao ethnic group present traditional costumes during the opening ceremony of the 2009 China (Hezhou) Panwang Festival in Hezhou, southwest China's Guangxi Zhuang Autonomous Region, on Dec. 2, 2009. The Panwang Festival is a festival celebrated by people of Yao ethnic group on October 16th on the Chinese lunar calendar to worship their ancestor. [Xinhua]