PORTLAND PRESS HERALD DARKROOM
Biosphere 2, 25 years later

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    Biosphere 2, 25 years later - Associated Press/Ross D. Franklin | of | Share this photo

    In this July 31, 2015 photo, a tourist walks to the main entrance of the Biosphere 2 facility while on a walking tour in Oracle, Ariz. University of Arizona officials say that 25 years after that New Age-style experiment in the Arizona desert, the glass-covered greenhouse thrives as a singular site for researchers from around the world studying everything from the effects of the ocean's acidification on coral to ways of ensuring food security.

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    Biosphere 2, 25 years later - Associated Press/Ross D. Franklin | of | Share this photo

    In this July 31, 2015 photo, tourists check out the Biosphere 2 Ocean, holding a million gallons of seawater, designed as an enclosed ecological system to research interactions within ecosystems, in Oracle, Ariz. University of Arizona officials say that 25 years after that New Age-style experiment in the Arizona desert, the glass-covered greenhouse thrives as a singular site for researchers from around the world studying everything from the effects of the ocean's acidification on coral to ways of ensuring food security.

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    Biosphere 2, 25 years later - Associated Press/Ross D. Franklin | of | Share this photo

    In this July 31, 2015 photo, several of the main buildings of the Biosphere 2 complex, including the tropical rainforest, left, the technosphere, middle, and the south lung, right, are shown as a thunderstorm moves past, in Oracle, Ariz. University of Arizona officials say that 25 years after that New Age-style experiment in the Arizona desert, the glass-covered greenhouse thrives as a singular site for researchers from around the world studying everything from the effects of the ocean's acidification on coral to ways of ensuring food security.

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    Biosphere 2, 25 years later - Associated Press/Ross D. Franklin | of | Share this photo

    In this Friday, July 31, 2015, photo, tourists walk through the enclosed coastal fog desert ecosystem of the Biosphere 2 in Oracle, Ariz. Biosphere 2 lives on as a successful research site 25 years after eight people emerged from the New Age-style experiment in the Arizona desert.

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