A farmer shows withered tea leaves in the tea farm near the West Lake in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2013. The prolonged drought and the persisting heatwaves have affected tea production in Zhejiang, one of the country's major tea plantation areas. In the plantation area of Longjing tea near the West Lake in Hangzhou, swathes of tea trees have withered because of drought, which will have a drastic impact on the output of the popular tea. (Xinhua/Long Wei)

A farmer spray water to withered tea trees in the tea farm near the West Lake in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2013. The prolonged drought and the persisting heatwaves have affected tea production in Zhejiang, one of the country's major tea plantation areas. In the plantation area of Longjing tea near the West Lake in Hangzhou, swathes of tea trees have withered because of drought, which will have a drastic impact on the output of the popular tea. (Xinhua/Long Wei)

A farmer spray water to tea trees in the tea farm near the West Lake in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2013. The prolonged drought and the persisting heatwaves have affected tea production in Zhejiang, one of the country's major tea plantation areas. In the plantation area of Longjing tea near the West Lake in Hangzhou, swathes of tea trees have withered because of drought, which will have a drastic impact on the output of the popular tea. (Xinhua/Long Wei)

Farmers carry a pump to a tea farm near the West Lake in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2013. The prolonged drought and the persisting heatwaves have affected tea production in Zhejiang, one of the country's major tea plantation areas. In the plantation area of Longjing tea near the West Lake in Hangzhou, swathes of tea trees have withered because of drought, which will have a drastic impact on the output of the popular tea. (Xinhua/Long Wei)