The rhythmic crunch of spike-soled boots on ice, the air is cool and crisp but my body is hot from exertion. Spread out in front of me is jumbled field of snow and ice, crisscrossed by crevices and gullies, sprinkled with volcanic ash and dotted here and there with puddles of absolutely clear water where the blue core of the ice shows through. Even if you’ve grown up with snow and ice, this is quite an experience.