An iceberg floats in the Southern Ocean, south of Invercargill on New Zealand's south island in this undated handout photograph made available by the Royal New Zealand Air Force (RNZAF) on November 9, 2006. Scores of icebergs have floated to within about 300 km (186 miles) of New Zealand, with the largest measuring about 1.8 km (1.1 miles) in length and standing some 120 metres (360 feet) above water. [Reuters]

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