On top of a wall of blue ice is the outflow of a massive glacier that sits on top of Katla, one of Iceland’s most active volcanoes. An intricate system of sensors monitors the glacier’s every move, because when Katla erupts, it won’t be fire but flood waters that will engulf the valley below it.
In Iceland, travelers come revved up for adventure. They board oversized Humvees or snowmobiles to crisscross glaciers thousands of years old.
One is called Mýrdalsjökull. Bjorn Hafsteinsson has been leading glacier tours for the past three years. He drove us about 5,000 feet up, scaling the glacier that holds a secret.
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