The dried-up riverbed of Xiangjiang River is seen in Changsha, capital of Central China’s Hunan province, Feb 8, 2011.China's winter wheat harvest is at risk because of a drought that has also led to shortages of drinking water for people and livestock, the U.N. food agency said.  [Photo/Xinhua] 

The dried-up riverbed of Xiangjiang River is seen in Changsha, capital of Central China’s Hunan province, Feb 8, 2011. [Photo/Xinhua]