Workers heat tea leaves at a tea factory in Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, March 31, 2014. [Photo/Xinhua]
A worker picks processed tea leaves at a tea factory in Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, March 31, 2014.[Photo/Xinhua]
A worker conveys newly picked tea leaves at a tea factory in Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, March 31, 2014. [Photo/Xinhua]
A worker checks the color of tea water at a tea factory in Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, April 1, 2014.[Photo/Xinhua]
A worker picks processed tea leaves at a tea factory in Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, March 31, 2014.[Photo/Xinhua]
A worker picks processed tea leaves at a tea factory in Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, March 31, 2014.[Photo/Xinhua]
Farmers pick fresh tea leaves in Bajiao township of Enshi Tujia and Miao autonomous prefecture, central China's Hubei province, March 27, 2014. [Photo/Xinhua]