A farmer shows newly harvested West Lake Longjing Tea leaves at Meijiawu Village, West Lake scenic spot in Hangzhou, capital of East China's Zhejiang province, March 12. [Photo/CFP]

Farmers fry West Lake Longjing Tea leaves at Wengjiashan Village, West Lake scenic spot in Hangzhou, capital of East China's Zhejiang province, March 12. [Photo/CFP]

Fresh West Lake Longjing Tea leaves are dried at Wengjiashan Village, West Lake scenic spot in Hangzhou, capital of East China's Zhejiang province, March 14. [Photo/CFP]