Major test for China's Three Gorges Dam

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The Three Gorges Dam in Hubei Province had its biggest test yesterday as it contended with the fastest flow of water ever recorded, at 70,000 cubic metres a second.

The worst flooding for more than a decade has claimed at least 146 lives in China since the start of the month, and the two-year-old dam – the world's largest – is being used to minimise further devastation.

The Three Gorges project was controversial because it forced 1.4 million people to be relocated.