而在克利夫兰，凯霍加河100年来从未如此干净。

And in Cleveland, the Cuyahoga River is cleaner than it's been in 100 years.

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41年前的克利夫兰市，人们惊恐地看着漂满油污且淤塞的凯霍加河着了火。

Forty one years ago, in the city of Cleveland, people watched inhorror as the Cuyahoga River – choked with debris and covered in oil –caught on fire.

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这样做可以让城市的水道编织起来，让人更愉快的是它还可以让水恢复自然状态，最后流入凯霍加河。

Doing so would leave the city braided with waterways, making it more pleasant and restoring a more natural water flow into the Cuyahoga River.

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