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Workers are seen in the world's longest water diversion tunnel in northeast China's Liaoning Province, on April 15, 2009.[Xinhua]
(Xinhua News Agency April 15, 2009)
![Workers are seen in the world's longest water diversion tunnel in northeast China's Liaoning Province, on April 15, 2009.[Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090416/000802ab80120b50c65703.jpg "Workers are seen in the world's longest water diversion tunnel in northeast China's Liaoning Province, on April 15, 2009.[Xinhua]")
