When the wind hits 33 metres per second at the Buðahraun, the only shelter is down among the dunes, but even there you have to put your back to it to make an image, as the sand driven into the snow hits you like a blast from a shotgun. It’s better to take that in the back.

So it is on December 21, the shortest day of the year, but far, far from the least powerful. Here (above) it is around noon, looking North. And 6 months earlier, on the longest day, around 10 pm…

That’s Snæfellsjökull, the volcano and glacier that makes all this magic here out in the middle of the Atlantic. That was our year: two trips through these spiritual lavas. I expected the contrast to be between light and darkness, but it wasn’t that. There was no contrast. There was just power, stronger than the seasons.