Cave-dwelling bacteria decorate the walls of lava tubes in the Snæfellsnes peninsula.
Since we went there with a regular tour, there was no possibility to bring a tripod and set up shots as I normally would. So the Canon EOS-1D X Mark II together with the great little Canon EF 35mm f/2 IS USM lens, a 600EX flash (was not used for the shot above) and the mighty Nitecore SRT7 flashlight came with me.
The flashlight was used to light this shot. The 35mm is a very sharp lens, and you can handhold it at ridiculously slow shutter speeds. Plus the 1D X II is very good at high ISOs, so they made the perfect combination for this adventure.