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Antarctica is so cold because of its position at the far south of the planet.
南極這么冷，是因為它位于地球的最南端。
But travel north, and you'll find other icy worlds that are created by altitude -- in the mountains.
但是向北走，你會發現其他冰天雪地的世界，有的由海拔高度造成的--在高山區。
The Andes, in South America, with its 4,500 miles of snow-covered peaks, is the longest range on Earth.
南美洲的安第斯山脈，擁有4500英里白雪覆蓋的山峰，是地球上最長的山脈。
These high icy worlds even exist close to the equator, where the sun is at its hottest -- as on Mount Kenya, in Africa.
這些非常冰冷的世界甚至存在于赤道附近，太陽最強烈的地方，如同非洲的肯尼亞山。
But the highest mountains of all stretch 1,500 miles across the north of sub-tropical Asia -- the Himalaya.
但最高的山脈綿延1500英里，橫穿亞洲亞熱帶北部--那就是喜馬拉雅山脈。
At the western end, bordering Pakistan, stand the Karakoram.
在其西面，與巴基斯坦接壤，聳立著喀喇昆侖山。
They contain more peaks over 8,000 metres high than any other range on Earth, and include K2, which stands over 8,600 metres tall.
它們包含很多超過8000米高的山峰，比地球上任何其他山區的都多，并包括高8600米的喬戈里峰。
The slopes of the Himalaya carry the greatest accumulation of snow and ice outside the polar regions.
喜馬拉雅山坡的冰雪堆積量，是除極地以外最大的。
It's an area known as the Third Pole.
這個地區被稱為第三極。
But north of the Himalaya, there are even more surprising frozen worlds created by altitude.
但在喜馬拉雅山以北，很高的海拔創造了更令人驚訝的冰雪世界。
A remote snow-bound desert... the Gobi.
邊遠的白雪皚皚的沙漠...戈壁。
And beyond it, a grassy plain that stretches for 5,000 miles across Central Asia. It's known as the Great Steppe.
再往前是一片綿延的草地，橫跨中亞5000英里。被稱為大草原。
