The Ancient Tombs in Seokchon-dong were found and investigated as part of the city development project in Jamsil district. It was impossible to determine the full scale of the ancient tombs in this area due to the severity of destruction. The largest tomb, the third tomb, measures 49.6 meters from east to west, 43.7 meters from south to north, and 4 meters in x_height. The tomb features three layers of stones topped by a smooth mound, which is a tomb style originating from the Goguryeo dynasty (...