Gwanghwamun Square is a national landmark located in the heart of Seoul, with a statue of King Sejong the Great at its center. In front of the statue, the main inventions from King Sejong's reign are on display, including the hangeul alphabet and scientific instruments such as a sundial, rain gauge and celestial globe. A nearby gallery tells "The Story of King Sejong," featuring a variety of materials and artifacts portraying the life and achievements of the great man himself.