A fisherman rows a boat in a polluted section of Ying River, the largest branch of Huai River, in Fuyang, east China's Anhui Province, March 14, 2007.

Residents look at a polluted section of Ying River, the largest branch of Huai River, in Fuyang, east China's Anhui Province, March 14, 2007.

Chinese environment supervision workers collect water sample from the polluted section of Ying River, the largest branch of Huai River, in Fuyang, east China's Anhui Province, March 14, 2007.

(Xinhua News Agency March 15, 2007)