5600 years ago, in the land we now know as Iceland, the volcano Leitahraun erupted. From this event over five millennia ago, the Raufarhólshellir lava tunnel, the fourth-longest lava tube in the country, was created….
5600 years ago, in the land we now know as Iceland, the volcano Leitahraun erupted. From this event over five millennia ago, the Raufarhólshellir lava tunnel, the fourth-longest lava tube in the country, was created….