They were the first mountaineers in the Middle Ages, the only ones who dared to approach the peaks and glaciers. In the 21st century, the magic of crystals remains. Generations pass on their secrets and the glacial retreat releases unexpected treasures.  A look back at a tradition rooted in Alpine history and culture.

With

• Jean-Franck Charlet (author of the book Cristallier, published by Paulsen-Guérin)