In 1969, an oil slick on the Cuyahoga River in Cleveland caught fire. It was extinguished in 20 minutes. Nobody even got a picture of it. It wasn't even the first fire. The river had flamed up at least 13 times before that. So why did this unremarkable blaze lead to such a remarkable aftermath?

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Music:

Audionautix- The Great Unknown

The Great Phospher- Daniel Birch

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