Plumbing the Depths of the World’s Largest Underwater Gypsum Cave [Gallery] Mike Richard July 23 Photography, Russia, What We're Reading “The reward is the possibility of seeing something beautiful, something that nobody has seen before you.” Even with lights, it is dark, and the sense of claustrophobia is overwhelming. Passages wind off in different directions to confuse the careless or unprepared. And should you find yourself in danger in these tunnels in the Earth’s crust, there can be no quick escape; no way to scream, even. Why? Because Russia’s Orda Cave is not only deep underground, it is also underwater. As cave diver, Bogdana Vashchenko warns, “There are hundreds of ways to die in a cave, and many divers never come back.” Check out the full gallery at Environmental Graffiti. Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Let\'s Make Sure You\'re Human ... *Time limit is exhausted. Please reload CAPTCHA. − = four Notify me of followup comments via e-mail. You can also subscribe without commenting.