Image credits: Florian Wizorek Ice caves like these form in the glaciers surrounding the Mutnovsky Volcano in Russia. Some of them are formed by vents that release volcanic heat and gases called fumaroles.
There are adventures everywhere in Iceland. Icecave in Solheimajokull glacier is an amazing thing. This is my beautiful country. If you ever want to see amazing nature then visit Iceland. -saedis Photo by Orvar Atli