Is there really a secret military base underneath Denver's airport?

There are so many rumors swirling around about what's under Colorado.

Watch the 9NEWS special "Under Colorado" for more underground secrets, Saturday, Oct. 22 at 6:30PM on Channel 20.

Many residents have heard about a secret military city under Denver International Airport, even a government project on aliens down there.
there have always been rumors and theories about what happens under DIA.

Rumors such as:

A secret military base where they do psychological testing
Government project on aliens -- as in creatures from outer space
Secret city under the not-so-secret city where bags are moved

Under Colorado: The secret tunnels of Denver International Airport http://on9news.tv/2enz3nZ

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Видео Is there really a secret military base underneath Denver's airport? канала 9NEWS