The Barrancas del Cobre is six times the size of the Grand Canyon. Most of it has never been documented. A Raramuri runner left a message at the trailhead three days ago and hasn't been seen since.
The Barrancas del Cobre is six times the size of the Grand Canyon. Most of it has never been documented. A Raramuri runner left a message at the trailhead three days ago and hasn't been seen since.