Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

22nd Annual Smithsonian Magazine Photo Contest Natural World
Rainbow Decay at Harpeth River State Park

A natural process of decaying vegetation or the breaking down of iron in soil by bacteria can naturally result in 'rainbow pools'. As seen at the Narrows of Harpeth at Harpeth River State Park in Kingston Springs, Tennessee.

Photo Detail
Date Taken: 10.2022
Date Uploaded: 10.2024
Photo Location: Kingston Springs, Tennessee, United States of America
Camera: Canon EOS RP
Copyright: © Kerri Batrowny