HANGZHOU, CHINA - MARCH 28:  A Chinese farmer picks Longjing tea leaves at a tea plantation of Longjing Village on March 28, 2014 in Hangzhou, China. Longjing tea, often called Dragon Well tea that is typically picked and made by hand which begins before Chinese traditional Qingming Festival, the 15th day from the Spring Equinox or usually occurring around April 5. The price of Longjing tea reaches about RMB 4,000 yuan (US$ 643) per kilogram.  (Photo by Hong Wu/Getty Images)