People irrigate the wheat field in the Wolong District of Nanyang, a city in central China's Henan Province, on Feb. 4, 2009. Henan, China's major grain producer, issued a red alert for drought on Jan. 29. The provincial meteorological bureau said the drought is the worst since 1951. The drought has affected 63 percent of the province's 5.26 million hectares of wheat. [Xiong Yunbin/Xinhua]
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