蒙古高原
Comb Ceramic or Pit-Comb Ware (in Europe), Jeulmun pottery or Jeulmun vessel (in Korea) is a type of pottery subjected to geometric patterns from a comb-like tool. This type of pottery was widely distributed in the Baltic, Finland, the Volga upstream flow, south Siberia, Lake Baikal, Mongolian Plateau, the Liaodong Peninsula and the Korean Peninsula.