About Copper Canyon: Copper Canyon is a network of six canyons, larger than the Grand Canyon. The Raramuri people, famed for running huge distances, live there. A spectacular railway crosses it on many bridges and tunnels. Its network of canyons covers a huge area of Mexico

Location: In Chihuahua, northern Mexico · Country: Mexico · Depth: Parts drop over 1,800 m (5,900 ft) deep · Type: A group of six connected canyons, not just one · Record: Bigger overall, and deeper in places, than the Grand Canyon · Nature: Copper-green walls that gave the canyon its name · People: Home of the Raramuri (Tarahumara), famous long-distance runners · Notable Feature: A famous railway crosses it on dozens of bridges and tunnels