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.
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.
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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