Mysterious Dolmens and Megaliths of the Caucasus mountains

Mysterious Dolmens and Megaliths of the Caucasus mountains (where Caucasians get their name from), hundreds of megalithic monuments, built with precisely dressed cyclopic stone blocks. These Russian megaliths are equal to the great megaliths of Europe in terms of age and quality of architecture, but are still of an unknown origin. http://beforeitsnews.com/beyond-science/2013/01/25000-year-old-buildings-found-in-russia-the-mysterious-dolmens-and-megaliths-of-the-caucasus-2440682.html