https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/582297
Saguaro cacti — native to Arizona and a bit of California and northern Mexico — display their upturned “arms” on a hillside near Tucson, Arizona.
Remarkably, these arms do not even begin to sprout from the central core until the plant is more than seventy years old. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel.
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