I. Ancient Northeast Asians (ANA) (5700-2500 BC) The Ancient Northeast Asians (ANA, yellow area) are defined as a cluster of Neolithic populations from the Altai Mountains to the Pacific coast. They were bordered by Western Eurasian populations to the west, which combined BMAC, Afanasievo and Ancient North Eurasian (ANE) ancestry.[1] In archaeogenetics, the term Ancient Northeast Asian (ANA),[2]..