- Deserts cover one third of the land's surface
沙漠覆盖了地球表面的1/3 - and they're growing bigger every year.
而且面积每年都在增大 - This is the Kalahari Desert in Southern Africa.
这里是南部非洲的卡拉哈里沙漠 - It's the dry season
现在是旱季 - and thousands of elephants have started to travel in desperate search for water.
数千头大象开始长途跋涉 不顾一切地寻找水源 - All across Southern Africa animals are journeying for the same reason.
所有横穿南部非洲的野生动物 都怀有同样的目的 - Buffalo join the great trek.
非洲水牛也加入了这支浩大的队伍
It's the dry season 现在是旱季
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