From Mongabay.com:
Some call it the eighth wonder of world. Upon completion in 2009, the Three Gorges Dam along China’s Yangtze River will be the world’s largest hydroelectric power generator and one of the few man-made structures so enormous that it’s actually visible to the naked eye from space. NASA’s Landsat satellites have provided detailed, vivid views of the dam since construction began in 1994. [Full Text]
See also CDT’s coverage of the controversial construction of the Three Gorges Dam.