The Three Gorges Dam in China became fully operational
The final 32 generators of the Three Gorges Dam in China became operational last week. Its construction may have been beset with controversy, but the huge structure is nothing if not spectacular.
The dam - built on the Yangtze River and designed to reduce the risk of flooding during the peak rainfall season - is the world's largest hydropower project.
Working at full capacity, the dam creates as much energy as 15 nuclear power stations, from water power alone.
The Three Gorges Dam is a monumental act of human engineering, and to celebrate that, here are ten more, unsurpassed in ingenuity or scale.
Water-well drillers in California's Central Valley are working 24 hours a day to keep up with growing water demands amid the state's worst drought on r... More Water-well drillers in California's Central Valley are working 24 hours a day to keep up with growing water demands amid the state's worst drought on record. As irrigation wells dry up, farmers call for help from the drillers, but how much longer will they be able to find new water sources in the ground? Read more about the new rush for underground water, and its effects: http://news.nationalgeographic.com/news/2014/08/140815-central-valley-california-drilling-boom-groundwater-drought-wells/
Date 11 hrs ago, Duration 3:50, Views 85
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