Natural Paint Puddle
Boiling volcanic mud in the Hverir geothermal area paints a wondrous abstraction of concentric bands and contours, shifting and distorting with each new upwelling, evoking a fluid topographic map or a shape-shifting field of scientific isopleths.
3 E Skutustadahreppur, Iceland (22 Aug 14) Looking ESE
65.6417, -16.8098