A Norwegian scientist fills a weather balloon on the Trollveikja mountainside in Antarctica, a sector claimed by Norway about 250 km (155 miles) from the sea, January 19, 2008. Nations claiming parts of Antarctica are quietly staking out rights to the seabed, in stark contrast to the North Pole where Russia ostentatiously planted a flag to back its claim. Picture taken January 19, 2008. To match feature ANTARCTICA/CLAIMS REUTERS/Alister Doyle (ANTARCTICA)
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