Krafla is a large volcanic system in North Iceland. The Krafla Lava fields are an immense area of sulphuric pits, fumaroles and set lava. This magma-covered moonlike landscape stretches for as far as the eye can see. Within the Krafla caldera you find the Viti crater, filled with beautiful turquoise water. When we were there, it was freezing and snow had just fallen. In this way we could see how hot the bottom was in some places because here the snow had already melted.