Competitors cook youcha, a traditional local appetizer, in Guanyang County of Guilin, southwest China's Guangxi Zhuang Autonomous Region, March 19, 2013. A youcha cooking competition was held here on Tuesday to show the diet culture. [Xinhua/Lu Boan]

A competitor cooks youcha, a traditional local appetizer, in Guanyang County of Guilin, south China's Guangxi Zhuang Autonomous Region, March 19, 2013. A youcha cooking competition was held here on Tuesday to show the diet culture. [Xinhua/Lu Boan]

A competitor cooks youcha, a traditional local appetizer, in Guanyang County of Guilin, south China's Guangxi Zhuang Autonomous Region, March 19, 2013. A youcha cooking competition was held here on Tuesday to show the diet culture. [Xinhua/Lu Boan]