A group of people, horses and mules are on a mountain side.
A group of donkeys are lined up across the canyon trail as people wait around.
The people are climbing a mountain and have the horses packed down with supplies.
A caravan of donkeys or mules is making a trek along a mountain side.
Donkeys are lined up on a trail in a canyon and people stand by talking with one another.
A group of pack mules and horses are line up along a canyon, while people are resting on rocks.
A line of mules and horses stand on the side of a rocky cliff.
Horses and mules, loaded with supplies for several riders, stand on a trail above the Grand Canyon.
A group of people are in a convoy of horses trekking along a mountain pass.
A group of people are riding on donkeys through a rocky path.