Ethereal photos of the spirit that haunts Russia's underwater crystal…

Ordinskaya Cave (also called "Orda Cave"), located near the Russian city of Perm, is the world's largest underwater gypsum cave, its rich mineral walls lending the cavern an otherworldly beauty that is perfect for a supernatural scene. Photographer Viktor Lyagushkin and PHOTOTEAM.PRO tapped freediver Natalia Avseenko to… » 12/30/12 3:00pm 12/30/12 3:00pm