Hövsgol Nuur is one of the last vestiges of its kind, a living laboratory for climatic change. Known as the Blue Pearl of Mongolia, this high altitude lake along with Baikal, its sister lake in Siberia, represents nearly 20% of the earth's fresh water supply and remains one of the lesser explored frontiers on Planet Earth. Join this expedition of scuba divers on their journey to discover and document the lake's underwater environment, and how human impact & other factors may be affecting the pristine water quality. From shipwrecks to Buddhist artifacts, see what secrets Lake Hövsgol has hidden beneath its surface.