China completes Yangtze dam, world's biggest hydro project
China's Three Gorges Dam, the world's biggest hydropower plant, was completed on Saturday, the Chinese state news agency reported.

The giant dam could cause coastal areas dowstream to erode
Despite the dam being promoted as a clean energy source there are also serious environmental concerns, from the disruption of eco-systems to the potential sinking of coastal areas as the amount of silt deposited by the river decreases.
The dam's 26 turbines will generate 18 GW of electricity, reducing China's reliance on coal power which currently provides for over 80% of the country's energy needs. The project was initially expected to provide 10% of China's electricity needs, but this reduced to 3% as China's energy needs shot up.
The concrete dam structure is 185m high and stretches across 2.3 km between the banks of the Yangtze, creating a 600km-long reservoir.
The idea of building a hydroelectric dam across the Yangtze river emerged in 1919 when communist revolutionist Sun Yatsen outlined the benefits of such a project in an article published in Chinese and English.
It took 74 years before his idea was put into practice and construction began in 1993, with the last 28m cubic metres of cement poured onto the structure during a televised ceremony on Saturday.
Goska Romanowicz
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