Yellowstone National Park in Wyoming, USA. The Old Faithful Geyser throws a jet of water shrouded in clouds of steam up to 52 meters for 4 minutes at an interval of about 65 minutes.
Old Faithful sending its column up to 52 meters high — visible for considerable distance across the Upper Geyser Basin, which helps explain why so many families time their entire afternoon around a single eruption. © W. Bulach, CC BY-SA 4.0, via Wikimedia Commons

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