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15th Annual Smithsonian Magazine Photo Contest Natural World
colourful Grand Prismatic Spring

Grand Prismatic Spring ist situated at the Midway Geyser Basin in Yellowstone NP. It is the largest hot spring in USA. Due to the waters temperature the center of the pool is cerulean with changing colours to the edges. Colors are caused by pigmented thermophilic bacteria.

Photo Detail
Date Taken: 09.2017
Date Uploaded: 11.2017
Photo Location: West Yellowstone, Wyoming, United States of America
Camera: Canon EOS 5D Mark II
Copyright: © Wilhelm Bootsveld