冰山是由雪形成的冰架或冰川断裂而成，主要由淡水冰组成，一般漂浮在开阔海域。
Icebergs are large pieces of freshwater ice that break off snow-formed ice shelves or glaciers and float in open water.
南极地区的冰山有时便会有条纹，由于雪层对不同环境的反应从而形成了这些条纹。
Icebergs in the Antarctic area sometimes have stripes, formed by layers of snow that react to different conditions.
在南极极端严寒的气候条件下，有些冰山被自然之手打造成高耸的冰柱或带有复杂“拱桥”的巨型极地雪桥。
Others have been moulded into towering pillars of ice or giant polar Bridges with several intricate 'arches' carved into them by the harsh Antarctic conditions.
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