16th Annual Smithsonian Magazine Photo Contest Altered Images
A mountain of travertine terraces.
Volcanic action that produces travertine, a form of limestone that appears in a myriad of shapes and colors. Can look like a salt flat, a mud mound or a mountain as in this case.
|Yellowtsone National Park, Wyoming, United States of America
|Canon EOS REBEL T5
|© Winsome Boyd