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As drought intensifies,
随着干旱加剧，
desert-living elephants must also undertake long journeys in search of water.
沙漠象也必须踏上旅途，寻找水源。
The older females can remember where,
年长的母象能记住哪些地方，
even in times of extreme drought, there may still be water
即使在极端干旱的季节也会有水，
and sometimes lead the herd to a water hole they may not have visited for decades.
有时她能把象群带领到数十年前去过的水坑。
These zebra are almost at the end of their journey.
这群斑马即将结束旅程
This is what they've been heading for.
这里就是它们的目的地。
A rare water hole.
一个珍贵的水坑。
In deserts, most water holes are short lived.
沙漠里的大部分水坑都转瞬即逝。
They appear after rains, but then vanish almost as quickly as they came.
它们在雨后出现，但以几乎同样的速度消失。
