Ordinskaya Cave is the most extended underwater cave in Russia, the second in Eurasia, with regards to length, and the world’s greatest gypsum cave. It has status of All-Russia natural monument. It ...
Dear Cave Prehistory fans,
if you are interested in cave prehistory literature, feel free to search under this link: http://www.ifrao.com/robert-g-bednarik/r-g-bednarik-library/