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They may move too slowly for the human eye to appreciate,
它們可能速度太慢以致人的肉眼難以分辨
but as a speeded-up film of the Argentiere glacier shows,
如果用加速電影那么阿根蒂爾冰川顯示
ice is very much on the move.
冰一直在頻繁運動
Instruments underneath the Argentere
阿根蒂爾下方的工具
reveal that it's travelling at about a foot and a half a day.
揭示了它每天移動半米
Here in Europe, ice is confined to high mountain ranges.
這是歐洲，冰都覆蓋在高山上
But in the polar regions,
但是在極地
it's cold enough for ice to cover vast areas of land.
氣候足夠冷所以冰覆蓋了大部分土地
In Antarctica, a single ice sheet
南極洲，一個單獨的大冰原
buries a continent bigger than the United States.
覆蓋了一片比美國還大的土地
The ice sheet can reach a staggering two and a half miles thick
冰原有驚人的四千米厚
so only the peaks of high mountains, called nunataks, can poke through.
所以只有被稱為冰源石山的高山的山頂，能刺穿冰層
This is a world where ice doesn't so much carve out a landscape,
這是個冰沒怎么雕刻的景觀
it is the landscape.
它自己就是景觀
This ice world is so huge that some of its greatest wonders can only be seen from space.
冰的世界相當大 有些偉大的景色只有在太空中才能看到
