Profile outline of the 3 top caves, including the second deepest cave in the world, Krubera-Voronja, in the Ortobalagan Valley of the Arabika mountain ridge in the Western Caucasus is given. Caves are situated in Abkhazia, a country on the eastern coast of the Black sea with a long common history to Georgia. Outline is based on maps, produced over the years by speleologists from Ukraine and Russia.
Own work
PJakopin