![A donkey or mule hiding from the burning sun at the shade of a red sand stone rock in the ancient city of Petra, Jordan Stock Photo - Alamy A donkey or mule hiding from the burning sun at the shade of a red sand stone rock in the ancient city of Petra, Jordan Stock Photo - Alamy](https://c8.alamy.com/comp/2H2TEFR/a-donkey-or-mule-hiding-from-the-burning-sun-at-the-shade-of-a-red-sand-stone-rock-in-the-ancient-city-of-petra-jordan-2H2TEFR.jpg)
A donkey or mule hiding from the burning sun at the shade of a red sand stone rock in the ancient city of Petra, Jordan Stock Photo - Alamy
![Twenty Mule-Team Canyon, Death Valley, Death Valley National Park, California Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas Twenty Mule-Team Canyon, Death Valley, Death Valley National Park, California Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas](https://static.greatbigcanvas.com/images/singlecanvas_thick_none/panoramic-images/twenty-mule-team-canyon-death-valley-death-valley-national-park-california,2134296.jpg)
Twenty Mule-Team Canyon, Death Valley, Death Valley National Park, California Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas
![Twenty mule team canyon road, death valley national park. 20-mule teams were teams of 18 mules and 2 horses attached to large | CanStock Twenty mule team canyon road, death valley national park. 20-mule teams were teams of 18 mules and 2 horses attached to large | CanStock](https://cdn.w600.comps.canstockphoto.com/twenty-mule-team-canyon-road-death-stock-images_csp20999359.jpg)