A worker makes Qingtuan, or green rice balls, at a pastry shop in Lin'an City, east China's Zhejiang Province, March 29, 2015. Qingtuan, made from glutinous rice mixed with wormwood juice, is a traditional snack popular among people living in the south of Yangtze River during the Qingming Festival (Tomb Sweeping Day). (Xinhua/Hu Jianhuan)
A worker makes Qingtuan, or green rice balls, at a pastry shop in Lin'an City, east China's Zhejiang Province, March 29, 2015. Qingtuan, made from glutinous rice mixed with wormwood juice, is a traditional snack popular among people living in the south of Yangtze River during the Qingming Festival (Tomb Sweeping Day). (Xinhua/Hu Jianhuan)
A worker makes Qingtuan, or green rice balls, at a pastry shop in Lin'an City, east China's Zhejiang Province, March 29, 2015. Qingtuan, made from glutinous rice mixed with wormwood juice, is a traditional snack popular among people living in the south of Yangtze River during the Qingming Festival (Tomb Sweeping Day). (Xinhua/Hu Jianhuan)
Workers make Qingtuan, or green rice balls, at a pastry shop in Lin'an City, east China's Zhejiang Province, March 29, 2015. Qingtuan, made from glutinous rice mixed with wormwood juice, is a traditional snack popular among people living in the south of Yangtze River during the Qingming Festival (Tomb Sweeping Day). (Xinhua/Hu Jianhuan)
Workers make Qingtuan, or green rice balls, at a pastry shop in Lin'an City, east China's Zhejiang Province, March 29, 2015. Qingtuan, made from glutinous rice mixed with wormwood juice, is a traditional snack popular among people living in the south of Yangtze River during the Qingming Festival (Tomb Sweeping Day). (Xinhua/Hu Jianhuan)