纪录片《我们的地球》 第42期 雄伟高山(19)（在线收听）

On the highest summits of our planet, nothing can live permanently.

在地球上最高的地方，没有什么生物能在此永久生存

The highest peak of all, Mount Everest.

世界上最高的山峰

Five and a half miles above sea level and still rising. The roof of our world.

海拔5.5英里的世界屋脊--珠穆朗玛峰仍在不断升高

Of those humans who've tried to climb it, 1 in 10 have lost their lives.

在试图登顶珠峰的人中，有1/10失去了生命

Those that succeed can stand for only a few moments on its summit.

而成功的人们也只能在峰顶短暂逗留

The Nepalese call it, "A mountain so high no bird can fly above it."

尼泊尔人称之为“一座高得连鸟也飞不上去的山峰”

But each year, over 50,000 demoiselle cranes set out on one of the most challenging migrations on Earth.

可是，5万多只蓑羽鹤每年都会进行一场地球上最具挑战性的迁徙

To reach their over-wintering grounds in India, they must cross the Himalayas.

要想到达印度境内的越冬场所，它们必须跨越喜马拉雅山脉

By late morning, ferocious winds are roaring past the peaks.

晌午时分，群山间狂风大作

The cranes must gain height to avoid the building storm.

鹤群必须提升高度，躲避正在形成的风暴

They've hit serious turbulence. They must turn back or risk death.

它们遇上了一股强力气旋。它们只好掉头返回，否则就会送命。