A slot canyon, formed by rushing water through porous rock. In this case, red sandstone. Original image from Carol M.…
https://www.rawpixel.com/image/421963/free-photo-image-arizona-canyons-black-and-white-landscape-photography-grayscaleFree Image from public domain license
Light beams into an Arizona "slot canyon" near Page. Original image from Carol M. Highsmith’s America, Library of…
https://www.rawpixel.com/image/421973/free-photo-image-black-and-white-landscape-photography-background-carol-highsmithFree Image from public domain license
Slot Canyons. Gently carved from the Navajo sandstone over the course of countless millenniums. Original image from Carol M.…
Yosemite National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally…
https://www.rawpixel.com/image/422013/free-photo-image-black-and-white-photos-national-parks-photography-yosemite-parkFree Image from public domain license
Yosemite National Park, USA. Original image from Carol M. Highsmith’s America, Library of Congress collection.…