If Cheyenne Mountain is in "button up," the complex needs a giant heat sink to maintain a cool interior temperature. For that purpose, the complex has a reservoir with a capacity of 4.5 million gallons of water. This is one "leg" of the reservoir, which is spread out in the shape of an E.Click here for the entire Road Trip 2009 package.
June 27, 2009 6:00 AM PDT
Photo by: Daniel Terdiman/CNET
| Caption by: Daniel Terdiman
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