Guides (ahead and behind) lead visitors on a mule ride down Bright Angel Trail into the gorge at Grand Canyon National Park… https://www.rawpixel.com/image/582332/carol-highsmiths-arizona-photographFree Image from public domain licenseGranite Gorge from Bright angel trail, Grand Canyon National Park, Arizona (c. 1928) by anonymous https://www.rawpixel.com/image/13735707/image-paper-angel-skyFree Image from public domain licenseThe Colorado River at foot of Bright Angel Trail, Grand Canyon National Park, Arizona (c. 1928) by anonymous https://www.rawpixel.com/image/13735716/image-paper-angel-personFree Image from public domain licenseLobby, including several Native American decorative touches, at the Bright Angel Lodge, which sits near the Bright Angel… https://www.rawpixel.com/image/582411/carol-highsmiths-arizona-photographFree Image from public domain license