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Bacteria produces the vivid colors in the Gran Prismatic Spring. (Bernhard Edmaier)

From Close Up or Far Away, Amazing Volcano Photos

Geologist Bernhard Edmaier has been photographing the majestic beauty of active and dormant volcanoes for over 15 years

Grand-Prismatic-Spring-2

Grand Prismatic Spring
(Maura McCarthy)

Bacteria produce the vivid colors in the Grand Prismatic Spring. Heat-loving bacteria that hold various pigments gather around the edge and turn it orange and brown. The colors can be even more intense in reality than on the print, Edmaier says. The water in the spring is 175 degrees Fahrenheit.

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