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The considerable part of the Northern Asia is occupied with the steppe and forest-steppe landscapes stretched by a wide strip from Caspian Sea to mountains of Big Khingan.Archeologists claim,that from here on the Bering Bridge after a glacial age ancestors of American Indian tribes have left to the North America.In the Baikal Lake basin we find settlements of ancient Huns,subdued the Eastern and Western Europe in the beginning of last millennium.In steppes of the Mongolian plateau in the Middle Ages arose the empire of Chingis-khan,stretched from Adriatic to Pacific Ocean.