早期的大峽谷騾子騎士 出處: "Early Grand Canyon Mule Riders." Photo courtesy of Cline Library, Northern Arizona University--Kolb Collection for "Grand Canyon Mule Trail Rides," an Arizona Local Legacy project.
早期的大峽谷騾子騎士
出處: "Early Grand Canyon Mule Riders." Photo courtesy of Cline Library, Northern Arizona University--Kolb Collection for "Grand Canyon Mule Trail Rides," an Arizona Local Legacy project.
