Norway's doomsday agricultural seed vault will get a $13 million upgrade to better protect world food supplies. The work on the Svalbard Global Seed Vault, located nearly 400 feet beneath the earth's surface inside a coal mine, was announced ... as the international facility celebrated its 10th anniversary and its holding of more than 1 million seed samples. The facility, which is fully funded by the Norwegian government, offers any government access to seeds in case of natural or man-made disaster. The concept was successfully tested in 2015, with a seed withdrawl to help Syria re-establish crops wiped out by the country's civil war. The upgrades will include a concrete access tunnel, a service building for emergency power and refrigerating units, as well as other electrical equipment that will emit heat through the tunnel. The decision to upgrade to the access tunnel comes nearly one year after the vault's entryway flooded due to unprecedented melting of the area's permafrost. Though the flooding did not damage any seeds, it served as a jarring reminder of the growing effects of climate change. The vault was designed to take advantage of the location's permafrost as a permanent feature offering natural cooling protection for the seeds.