Decades ago, the Morning Glory pool at Yellowstone National Park was a gorgeous deep blue. But because tourists have thrown coins, rocks, and trash into it for years, the spring has now turned into a ...
Before the 1960s, Yellowstone’s Morning Glory pool was a deep, sometimes tropical-looking blue. It was named after the flower that its color resembled. If you had visited Yellowstone in the 1940s, the ...
No, this isn't some St. Patrick's Day joke. Researchers say that Yellowstone National Park's world-famous Morning Glory thermal pool is turning a yellowish-green by decades of tourists throwing coins ...
Yellowstone National Park’s Morning Glory Pool is not what it used to be. Back in the 1800s, the famous hot spring was a bright, clear, turquoise blue, and it was named after the flower it resembled.
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