https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/582725
"Old Faithful" geyser erupts in Yellowstone National Park's Upper Geyser Basin in the western U.S. state of Wyoming.
Old Faithful was named in 1870 during the Washburn-Langford-Doane surveying expedition, during which the explorers sometimes washed their laundry between eruptions of the hot spring! The first geyser in the park to receive a name, Old Faithful is one of the most predictable geographical features on Earth, erupting every 35 to 120 minutes. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel.
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