A worker picks up tea leaves at the Beishan Tea Plantation Base in Jiujiang City, east China's Jiangxi Province, March 28, 2013. Farmers here are busy with picking tea leaves before the Qingming Festival, which falls on April 5 this year, as this kind of tea is regarded to have a better taste. (Xinhua/Zhang Haiyan)
Workers pick up tea leaves at the Beishan Tea Plantation Base in Jiujiang City, east China's Jiangxi Province, March 28, 2013. Farmers here are busy with picking tea leaves before the Qingming Festival, which falls on April 5 this year, as this kind of tea is regarded to have a better taste. (Xinhua/Zhang Haiyan)
Workers pick up tea leaves at the Beishan Tea Plantation Base in Jiujiang City, east China's Jiangxi Province, March 28, 2013. Farmers here are busy with picking tea leaves before the Qingming Festival, which falls on April 5 this year, as this kind of tea is regarded to have a better taste. (Xinhua/Zhang Haiyan)
Workers pick up tea leaves at the Beishan Tea Plantation Base in Jiujiang City, east China's Jiangxi Province, March 28, 2013. Farmers here are busy with picking tea leaves before the Qingming Festival, which falls on April 5 this year, as this kind of tea is regarded to have a better taste. (Xinhua/Zhang Haiyan)
A worker picks up tea leaves at the Beishan Tea Plantation Base in Jiujiang City, east China's Jiangxi Province, March 28, 2013. Farmers here are busy with picking tea leaves before the Qingming Festival, which falls on April 5 this year, as this kind of tea is regarded to have a better taste. (Xinhua/Zhang Haiyan)
A farmer settles the newly picked tea leaves at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)
A farmer picks tea leaves at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)
A farmer picks tea leaves at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)
Farmers pick tea leaves in rain at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)
A farmer settles the newly picked tea leaves at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)
Farmers pick tea leaves in rain at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)
A farmer settles the newly picked tea leaves at a tea plantation in Miaoxi Town of Huzhou City, east China's Zhejiang Province, March 29, 2014. (Xinhua/Xu Yu)