Why is the cave closed in winter? How and when do we awaken the Eisriesenwelt from its hibernation? Starting from May, it's time again. You can admire…

At the end of last year, we welcomed National Geographic to the Eisriesenwelt as part of a documentary about Europe's most impressive ice caves.

What did the Eisriesenwelt look like in the past?
As the largest ice cave in the world, the Eisriesenwelt is an interesting object of research not only…