In this photo taken June 2, 2011, a cow cools off near the river water gauge on a pier of the Jiujiang Yangtze River Bridge which spans over the Yangtze River in Jiujiang in Jiangxi Province, China. ... more 
In this photo taken June 2, 2011, a cow cools off near the river water gauge on a pier of the Jiujiang Yangtze River Bridge which spans over the Yangtze River in Jiujiang in Jiangxi Province, China. The Three Gorges Dam is the world's biggest hydroelectric plant, completed in 2006 as a way to control flooding along the Yangtze and generate massive power for the country's ravenous industries. The government already has used up 80 percent of the reserves in the 410-mile-long (660-kilometer-long) reservoir by releasing extra water to relieve drought conditions downstream. Still, the Yangtze's levels have fallen enough to threaten shipping both upstream and downstream as far as Shanghai, where high salt tides threaten drinking water supplies for its 23 million residents. less 
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Associated Press | Photo By Eugene Hoshiko
Fri, Jun 3, 2011 4:11 AM EDT