American Countryside: Biosphere 2

April 9, 2018 11:46 AM

Biosphere 2, located in Oracle, Arizona, is quite the sight from the outside, and the inside. Owned by the University of Arizona, it’s the largest closed system ever built.

American Countryside’s Andrew McCrea takes a look inside the facility that housed eight people for two years starting in Sept. 1991.

Watch American Countryside on U.S. Farm Report.

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