14th Annual Smithsonian Magazine Photo Contest The American Experience
The black pool which is blue

Blackpool was, not long ago really black. Low water temperature caused by certain microorganisms the dark color of the water. In the summer of 1991 the water became much warmer and it came to several eruptions. Since then the Blackpool is one of the most beautiful Pools. Also due to its location, close to the Yellowstone Lake.

Photo Detail
Date Taken: 07.2014
Date Uploaded: 06.2016
Photo Location: Wyoming, United States of America
Camera: NEX-3N
Copyright: © Peer Heesterbeek