Mules have carried people and supplies in Grand Canyon National Park for more than a century. Now they have a chiropractor to soothe their aching muscles.
The famous pack mules that carry supplies and people in and out of the Grand Canyon have back pain, as you might imagine. One man is on a mission to make the lives of these beasts of burden a little less painful.
When Rene Noriega retired a few years ago after a long career as a Border Patrol agent, he took what — for him — was the next natural step.
