A villager cooks Zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, at Yumin Village of Jiashan County in east China's Zhejiang Province, June 21, 2012, to greet the traditional Dragon Boat Festival, which falls on June 23 this year. (Xinhua/Hu Lingxiang)

Participants make Zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, during a folk cultural festival in Fuzhou, capital of southeast China's Fujian Province, June 22, 2012, to greet the traditional Dragon Boat Festival, which falls on June 23 this year. (Xinhua)

Participants dressed in traditional Chinese clothes make Zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, in Yangzhou, east China's Jiangsu Province, June 22, 2012, to greet the traditional Dragon Boat Festival, which falls on June 23 this year. (Xinhua/Dong Hui)

Participants make Zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, during a contest in Tianjin, north China, June 22, 2012, to greet the traditional Dragon Boat Festival, which falls on June 23 this year. (Xinhua/Liu Dongyue)

Participants make Zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, during a contest at a park in Nanjing, capital of east China's Jiangsu Province, June 22, 2012, to greet the traditional Dragon Boat Festival, which falls on June 23 this year. (Xinhua/Wang Xin)

People make Zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, in China to greet the traditional Dragon Boat Festival, which falls on June 23 this year.