An Inka road with sidewalls cuts through an agricultural valley. Colca Canyon, Peru, 2014. Image from The Great Inka Road: Engineering an Empire, edited by Ramiro Matos Mendieta and José Barreiro. Published by the Smithsonian’s National Museum of the American Indian in association with Smithsonian Books.
© 2015 Smithsonian Institution.
Photo by Doug McMains, National Museum of the American Indian, Smithsonian Institution.