https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/9046789
The northern wall of the Grand Cañon of the Colorado, near the foot of To-ro-weap valley. The rounded rocks of the foreground are sand-stone, No. 14 from the series "Geographical Explorations and Surveys West of the 100th Meridian" by William H. Bell
Original public domain image from Art Institute of Chicago
Public DomainFree CC0 image for Personal and Business use