IMAGE GALLERY: Potash ponds in the Utah desert

To the non-expert eye they may seem a set of mirages, but these turquoise-purple-pink visions are what ground-level potash ponds look like near Arches National Park outside Moab, Utah. [caption id="attachment_825891" align="aligncenter" width="900"] By Orange Suede Sofa | Wikimedia Commons.[/caption] These man-made...