High in the Alps, Giant Blankets Slow a Glacier’s Ice Melt

For 150 years tourists have been travelling to the town of Belvédère, high in the Swiss Alps, for the chance to walk inside a glacier. Around 1870, a local Swiss family had the idea of digging a shallow, 100-meter-long tunnel into the side of the Rhône Glacier, one of Europe’s largest. Paying visitors could walk […]