Untreated industrial sewage of a textile dyeing factory is drained from an outlet into the Yangtze River in Yichang, central China's Hubei Province, March 22, World Water Day. Every year, about 25 billion tons of sewage and pollutants, 42 percent of all generated in China, is piped into the Yangtze River, making it one of the ten most endangered rivers in the world to face drying up, according to a recent report released by the World Wildlife Fund. [newsphoto]

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