英语听力：2013-03-17 猛玛象进城记 Mammoths to Manhattan—21

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14 thousand years ago, large parts of North America's landscape and wildlife were just like the savanna of modern Africa. 

 

With the stretch our imagination, we can still put ourselves in the shoes of the first people who explored that vast dramatic landscape and encountered giants never seen before. In this series we have seen how fossil³ bones and other evidence can provide clues to that distant past, and that evidence has helped to recreate a continent no longer exists, a lost wild new world. 

 

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