從這便能看出,冰層的流動確實存在
On the west coast of Greenland,
在格陵蘭島的西海岸
glaciers flow around the contours of a landscapehidden beneath the ice.
冰河在冰層底下沿著陸地的輪廓流動
A false colour image reveals the blue ice of the Ma la spina Glacier in Alaska.
地圖上描繪了阿拉斯加境內(nèi)馬拉斯皮納冰川的藍(lán)色冰層
It flows through a gap in the mountains
它跨過了山脈間的深溝
and spreads out like syrup for more than 30 miles.
如漿液般展開,距離超過50公里
This is part of the Lambert Glacier in Antarctica.
這是南極州內(nèi)蘭伯特冰河的一部分
It's one of the longest glaciers on Earth.
蘭伯特冰河是世界上最長的冰河之一
You can follow its flow lines as it bends and twists
你可以隨著它的流動軌跡彎曲和盤旋
on its slow-motion descent.
慢慢的向下
Ice is soft and bendy,
冰層是如此柔軟易彎
yet it's also powerful enough to destroy almost everything in its path.
當(dāng)然,它也有足夠的能量來摧毀擋在它路線上的一切
But while glaciers usually take tens of thousands of years to sculpt the landscape,
但冰河一般要花幾萬年的時間 來雕塑地貌
occasionally, they can trigger a devastating change
有時,它們會引起破壞性的變化
that happens in just a few hours.
在不久之前剛剛發(fā)生過
You can see the aftermath of one such event
你能看到這種事情的后果
in the northwest corner of the United States.
在美國的西北角