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The sunbaked mountains of the Arabian Peninsula.
阿拉伯半島上的山地被陽光炙烤得發(fā)燙。
They may only be a fraction of the height of the Himalayas,
它們的海拔也許只是喜馬拉雅山脈的零頭，
but they are still so dizzyingly steep that in many places it's almost impossible to get a foothold.
但卻異常險(xiǎn)峻，很多地方幾乎無法立足。
Yet Nubian ibex have made this their home.
而努比亞羱羊還是棲息于此。
The ibex choose the steepest cliffs to raise their young, in safety, beyond the reach of predators.
羱羊選擇在最陡峭的絕壁上養(yǎng)育幼仔，環(huán)境安全，沒有天敵。
But living in this sanctuary comes with a cost.
在生活在這里也要付出代價(jià)。
These nursery slopes are so steep, there is almost no standing water up here.
山崖過于陡峭，幾乎沒有任何積水。
So to drink, an ibex family must descend into the valley... 1,000 feet below.
為了飲水，羱羊必須下到三百米下的峽谷之中。
The mothers pick out the safest way down.
母羊選出一條最安全的下山路徑。
With soft cloven hooves that grip better than any climbing shoe, they are the most accomplished mountaineers.
四只柔軟的分趾蹄勝過最好用的登山鞋，讓他們成為最高超的登山者。
But the newborn kids are still having to find their feet.
但新生的雛羊還在蹣跚學(xué)步。
This is their first descent. One mistake could make it their last.
這是他們第一次下山。一次失蹄就可能一命嗚呼。
Following the adults, the kids finally reach the valley.
跟著成年羱羊，小羊們終于到達(dá)山谷。
But once on level ground, they're vulnerable.
但回到平地上，他們就很容易遭到攻擊。
