Farmers pick tea leaves in the West Lake Longjing Tea protective zone in Hangzhou, capital of east China's Zhejiang Province, April 10, 2014. With rising temperature in Hangzhou, the output of Longjing Tea is increasing quickly after the Qingming Festival. (Xinhua/Xu Yu)
Farmers weigh the fresh tea leaves in the West Lake Longjing Tea protective zone in Hangzhou, capital of east China's Zhejiang Province, April 10, 2014. With rising temperature in Hangzhou, the output of Longjing Tea is increasing quickly after the Qingming Festival. (Xinhua/Xu Yu)
Farmers pick tea leaves in the West Lake Longjing Tea protective zone in Hangzhou, capital of east China's Zhejiang Province, April 10, 2014. With rising temperature in Hangzhou, the output of Longjing Tea is increasing quickly after the Qingming Festival. (Xinhua/Xu Yu)
Tea farmers work in the West Lake Longjing Tea protective zone in Hangzhou, capital of east China's Zhejiang Province, April 10, 2014. With rising temperature in Hangzhou, the output of Longjing Tea is increasing quickly after the Qingming Festival. (Xinhua/Xu Yu)
Farmers pick tea leaves in the West Lake Longjing Tea protective zone in Hangzhou, capital of east China's Zhejiang Province, April 10, 2014. With rising temperature in Hangzhou, the output of Longjing Tea is increasing quickly after the Qingming Festival. (Xinhua/Xu Yu)