@CNN: In Switzerland, an ice grotto carved into the Rhône Glacier has been a popular tourist destination over a century, but the glacier is retreating. @bemeapp visits to see the unusual approach this town is taking to hold back the melt. https://t.co/mkRAJiYvIZ

@CNN: In Switzerland, an ice grotto carved into the Rhône Glacier has been a popular tourist destination over a century, but the glacier is retreating.

@bemeapp visits to see the unusual approach this town is taking to hold back the melt. https://t.co/mkRAJiYvIZ