Bláhylur, IcelandThe colour is what gets you. I've spent a fair amount of time in Iceland's highlands, where the palette is usually muted browns and greys and dark volcanic rubble. Then you come over a ridge in the Fjallabak Nature Reserve and there's this absurd turquoise sitting in a volcanic crater. Your brain takes a moment to catch up. I made this photograph from above, which is the only way to really grasp the geometry of the place. The conical peak on the