Fire fighters help water vegetables for people living in drought areas in Pingjie Township, Zhenfeng County of southwest China's Guizhou Province, July 29, 2013. Due to little rainfall and high temperature, 38 counties in Guizhou Province faced with serious drought in recent days. (Xinhua/Liu Yongsong)

Fire fighters supply water for people living in drought areas in Changtian Township, Zhenfeng County of southwest China's Guizhou Province, July 29, 2013. Due to little rainfall and high temperature, 38 counties in Guizhou Province faced with serious drought in recent days. (Xinhua/Liu Yongsong)

Photo taken on July 29, 2013 shows the immature maize affected by drought in Tongmu Village, Yuping County of southwest China's Guizhou Province. Due to little rainfall and high temperature, 38 counties in Guizhou Province faced with serious drought in recent days. (Xinhua/Yao Lei)

A farmer pulls a cow to drink in a dried pool in Qianguang Village, Yuping County of southwest China's Guizhou Province, July 29, 2013. Due to little rainfall and high temperature, 38 counties in Guizhou Province faced with serious drought in recent days. (Xinhua/Yao Lei)

Farmers fix pipelines to divert water in Qianguang Village, Yuping County of southwest China's Guizhou Province, July 29, 2013. Due to little rainfall and high temperature, 38 counties in Guizhou Province faced with serious drought in recent days. (Xinhua/Yao Lei)

Photo taken on July 29, 2013 shows the chapped paddyfield affected by drought in Jieshang Village, Yuping County of southwest China's Guizhou Province. Due to little rainfall and high temperature, 38 counties in Guizhou Province faced with serious drought in recent days. (Xinhua/Yao Lei)