Earthen Fortification in Jeongbuk-dong (청주 정북동 토성)
Earthen Fortification in Jeongbuk-dong (청주 정북동 토성) – Homepage tour.cjcity.net The Earthen Fortification in Jeongbuk-dong was built around the third century BC on a flat land next to the Mihogang River. Its original square shape, with a perimeter of 650 meters, remains well-preserved, featuring gate remnants on the east, west, south, and north sides. The…