The Cultural Heritage Administration (Director Na Sun-hwa) opened the four major palaces (Gyeongbokgung Palace, Changdeokgung Palace, Changgyeonggung Palace, Deoksugung Palace), Jongmyo Shrine, Joseon Royal Tomb, Hyeonchungsa Temple (Asan, Chungcheongnam-do), and Sejong the Great Tomb (Geumsan, Gyeonggi Yeoju) to the public. Depending on the ruins, the above major historical sites were