braingels:
Orda Cave, Russia — the world’s largest underwater gypsum cave. Viktor Lyagushkin
Orda Cave, Russia — the world’s largest underwater gypsum cave.
Viktor Lyagushkin
kayeberphoto:
◊ Walking through the Salt Mines under Krakow | August 2012 ◊
imustconcentrate:
Salty lungs no cure by Kirill Kuletski on Flickr.
Rickwood Caverns
staceythinx:
Photographer Robbie Shone captured these amazing images of explorers of the Gouffre Berger limestone cave in south-eastern France, one of the deepest caves in the world. You can see more of his remarkable images in this Telegraph gallery.
thewarroom:
dimmu borgir by nasone on Flickr.