Doomsday vault marks decade of protection Norway is celebrating the tenth anniversary of The Svalbard Global Seed Vault, but scientists are keeping a close eye on the facility after a recent thaw threatened 5,000 crop species stored inside Svalbard Global Seed Vault Holds duplicate backup seed samples from 1,700 other genebanks around world, some of which are vulnerable to natural disasters, conflict, lack of funding or poor management 2016: Thaw causes permafrost to melt, sending water into access tunnel Optimum temperature: -18°C Arctic Circle SVALBARD (Norway) Seed Vault (Longyearbyen) 100km 60 miles Portal building: Features glowing beacon Access tunnel SANDSTONE PERMAFROST Office: Seeds processed Vaults: Currently safeguarding 890,886 samples, from almost every country in world 75m 25m 80 ft Seeds: Sealed in custom made three-ply plastic foil pouches Sources: The Crop Trust, Norwegian Government Picture: Getty Images © GRAPHIC NEWS