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The largest hydroelectric dam in the world, China’s Three Gorges Dam stretches 1.4 miles (2.3 km) across the Yangtze River. Begun in 1993 and largely completed by 2006, the controversial project displaced more than a million people and inundated huge tracts of land. However, it increased the river’s shipping capacity, reduced the threat of flooding, and will eventually generate nearly 85 billion kilowatts a year. How much electricity will the dam have to generate to recoup building costs? Discuss
Source: The Free Dictionary