Advice on Diving in Bulgaria

...scene. Naval and archaeological museums detail the fascinating history of the Black Sea for visiting divers. Other activities include golf, horse riding, hiking, and cycling. The Black Sea is an amazing independent eco-system. It is comprised of a salt-water layer that starts at a depth of 200m, and reaches down to 2000m. This cold, dense layer is completely anoxic (oxygen free) creating an inhospitable terrain for living creatures. On the surface, the Black Sea is fed by numerous rivers creating an upper layer of water with a saline content of only 16% - distinctly non-salty when compared to...