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This paper examines the successive relationships through the stone chamber structure and burial methods of the No. 1 and No. 2 keyhole-shaped tombs in Wolgye-dong, Gwangju, Both tombs have a central corridor design, featuring door frame-style structures, and the wall stones are stacked with flat stones. Also a common feature is the four-sided bracket system covered by flat stones, which caps the upper part of the tomb. However, the No.1 tomb is approximately 50 cm larger than the No.2 tomb, and the No.2 tomb differs in using large stones beneath the wall stones. Considering the scale, construction process of materials, and construction efficiency, it can be inferred that the No.2 tomb was built based on the No.1 tomb as a basic model. When examining the burial methods of the No. 1 and No. 2 tombs, the No. 1 tomb uses stone coffins without lids (1st burial) and wooden coffins (2nd and 3rd burial), while the No. 2 tomb employs wooden coffins. The stone coffins of the No. 1 tomb, characterized as open coffins, installed coffins, represent an organic space where burial rituals are held at the mound. In contrast, wooden coffins, characterized as confining coffins and carrying-in coffins, represent a mechanical space where empty burial rituals take place in a location other than the mound. Through this burial method analysis, the transition from stone coffins to wooden coffins indicates the influence of Baekje burial concepts, reflected from the No. 1 tomb to the No. 2 tomb.
Young Joo Choi (Sun,) studied this question.