March 9, 2012
Hot Springs, East Africa
Photograph by George Steinmetz, National Geographic
This Month in Photo of the Day: National Geographic Magazine Features
Sulfur and algae turn hot springs into pools of living color. The water is condensation from hot gases rising from magma chambers. As the water evaporates, salts and minerals form a vivid crust.
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from the January 2012 feature story "The Salt and the Earth."
See more pictures of water patterns »