Finally Yellowstone

Initially Yellowstone was known for the famous geyser Old Faithful, which received its name because it faithfully bursts with fixed intervals. But there is actually quite a number of geysers in the park, and what we see today is actually only the top of a what is called a super volcano, which one day will erupt and have influence on the climate all over the globe. And scattered around the National Park there are a lot of signs of the scorching hot underground, which is not so far below.

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