Introduction to the Songaksan Battlefield Cave: Located on the southwest coast of Daejeong-eup, Namjeju County, under the coastal cliffs of Songaksan Mountain, it was dug by the Japanese army in the early days of the end of the Pacific War in 1945 in order to defend the Japanese mainland and use Jeju as the front line of the war. artificial cave. The cave is composed of many caves with similar structures. Among them, Cave No. 5 was the filming location for the last episode of "Dae Jang Geum", making it an emerging tourist hotspot.