'Doomsday' seed vault entrance repaired after thaw of Arctic ice

View photosFILE PHOTO: Journalists gather near the entrance to the Global Seed Vault in Longyearbyen, Norway, February 25, 2008. The vault has been built in a mountainside cavern on Spitsbergen Island around 1,000 km (600 miles) from the North Pole to store the world’s crop seeds in case of disaster. REUTERS/Bob Strong/File Photo
MoreBy Alister Doyle
OSLO (Reuters) – Norway is repairing the entrance of a “doomsday” seed vault on an Arctic island after an unexpected thaw o