The Greenland ice sheet is breaking up, losing 280bn tonnes to the ocean every year. All across the Arctic, new sea routes are opening as temperatures rise. Some projections indicate that in 20 years it will be possible to sail across the North Pole through the central Arctic Ocean — though you would have to watch for giant icebergs, large enough to sink the biggest vessels and the best-laid plans.
格陵兰冰盖正在破裂，每年向海洋流失2800亿吨冰。整个北极地区，随着气温上升，新的海上航线正在开启。一些预测显示，20年内将有可能从北极点穿越北冰洋的中央——但你仍需提防巨大的冰山，它们足以让最大型船只沉没，也让最缜密的计划落空。
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