The Svalbard Global Seed Vault was opened on Feb. 26, 2008. Carved into the Arctic permafrost and filled with samples of the world's most important seeds, it's a Noah's Ark of food crops to be used in the event of a global catastrophe. AFP/Getty Images hide caption

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Dave Dierig, research leader at the National Center for Genetic Resources Preservation, stands among the ceiling-high shelves that hold the 600,000 seed packets in this cold storage vault. Grace Hood/KUNC hide caption

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