Deep within the volcanic terrain of Jeju Island lies a damp, narrow lava tube known as Darangshi Cave. For more than four decades, it remained a silent, sealed tomb — holding the remains of eleven villagers, including women and children, who choked to death on smoke in 1948 when government forces blockaded the entrance and built fires outside. Long kept in the shadows of national memory, the site of that tragedy is now slated for official government preservation The National Heritage Administration said Wednesday that it will officially register the cave hideout and massacre site as a National Registered Cultural Heritage. The move reflects a broader national effort to confront painful historical atrocities, cement state accountability, and preserve physical spaces that long sat on the margins of official memory. The designation coincides with the prospective registration of Manseojeong, the historic residential quarters of Jang Seok-yeong, a prominent Korean independence activist who drafted the 1919 Paris Petition appealing for national sovereignty during Japan's 1910-45 colonial oc