Churning Caldron, Yellowstone Caldera, Mud Volcano Geothermal Area, USA.
Picture USA09_0326
Digital Image, EOS 5D Mk2, 21.1MP
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Churning Caldron, Yellowstone Caldera, Mud Volcano Geothermal Area, USA. Picture USA09_0326 Digital Image, EOS 5D Mk2, 21.1MP |