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Photo of the Day: Kayaking the Fraser River in British Columbia

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kayaker photo
credit: Ryan Creary/All Canada Photos/Corbis

A Kayaker Running the Fraser River in British Columbia

The Fraser River, in Western Canada, was once the spawning ground for 10.6 million sockeye salmon every summer. In 2009, this population saw a dramatic drop—down to fewer than one million salmon—that baffled scientists. It's just one example of how the world's great rivers are fragile, in spite of their awesome power.

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