Tourists' Make-a-wish Coins are Destroying Yellowstone Hot Springs

December 20, 2014 1:13 AM

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Tourists' Make-a-wish Coins are Destroying Yellowstone Hot Springs

Researchers at Montana State University and Brandenburg University of Applied Sciences in Germany have released new images that reveal the devastating effects tourism has had on Yellowstone National Park's hot springs.

Researchers at Montana State University and Brandenburg University of Applied Sciences in Germany have released new images that reveal the devastating effects tourism has had on Yellowstone National Park's hot springs.

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