仅仅60年前，莫耶尔周围是一片有丰沛的草、树木、大象、狮子和犀牛的大草原。

Only 60 years ago, the land around Moyale was savannah with plenty of grass, big trees and elephants, lions and rhino.

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我们可以因此得出结论，该地区的气候在40000到30000年前曾剧烈地变化，导致这一区域从林地变成了草原。

We can thus conclude that the climate of the area changed dramatically between 40, 000 and 30, 000 years ago, causing the terrain to change from woodland to grassland.

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自10万年前萨凡纳大草原的野蛮时期到现在人类在心理上的改变微乎其微，而在下个世纪也不可能有大变化。

Psychologically, man has changed precious little from the savannah-roaming brute of 100,000 years ago and is unlikely to do so in the next century.

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