![](http://www.alamy.com/thumbs/6/5F2EE808-2150-4E9A-B95F-33FBF699F47E/2X64YG9.jpg)
Grand Prismatic Spring at Yellowstone National Park, USA
Size: 4780px × 3166px
Photo credit: © Zachary Frank / Alamy / Afripics
License: Royalty Free
Model Released: No
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