What is "songguk-ri"

Songguk-ri is a Middle and Late Mumun-period (c. 850-300 B.C.) archaeological site in Buyeo-gun, Chungcheongnam-do, South Korea. Songguk-ri is a settlement and burial site that is important in the study of Korean prehistory. It is registered as Historical Site No. 249. Songguk-ri is a main point of reference in Korean prehistory—Korean archaeologists have represented the prehistoric village and the material culture excavated from there as the type-site for Middle Mumun Culture in southern Korea.