SSP_ICE2014-133 Description: Boiling mud sludge creating circular patterns in geothermal pools at Þeistareykir, close up view, Iceland Keywords: Format, Iceland, North East, Norðurland Eystra Region, abstract, black and white, boiling, bubbling, close up, closeup, detail, geothermal pool, horizontal, hot, landscape mode, monochrome, mud, view, Þeistareykir Dimensions: 5184 x 3456 Camera: Canon EOS-1D X Exposure: 1/5 sec at f / 16 Focal Length: 95 mm ISO: ISO 400 Copyright: © Sarah Slade Photography 2014