Emerald Pools vibrant colors are caused by themophilic (heat-loving) cyanobacteria and algae. As the temperature of the pool decreases towards its edges, the colors tend to oranges and yellow. Black Sand Basin. Yellowstone National Park, Wyoming, USA
Stock Photo: 07302 Location: Black Sand Basin, Yellowstone National Park, Wyoming, USA Format: Digital 3:2 Copyright © Phillip Colla, all rights reserved worldwide. Purchase a print of this image Request a review copy of this image Keywords: black sand basin, emerald pool, environment, geothermal, geothermal features, landscape, national parks, nature, outdoors, outside, scene, scenery, scenic, spring, usa, world heritage sites, wyoming, yellowstone, yellowstone national park, yellowstone park |