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

'Doomsday' seed vault entrance repaired

Norway is repairing the entrance of a "doomsday" seed vault on an Arctic island after an unexpected thaw.