Jeju Island, often known as South Korea’s version of Hawaii, has released a multilingual brochure advising overseas visitors to respect local rules, following several viral incidents involving inappropriate behavior. The island welcomed over 13 million visitors last year, drawn by its clear coastal waters, scenic tea plantations, and the snow-topped Halla Mountain. Jeju is now connected to Seoul by the world’s busiest air route, with over 13 million passengers flying between the capital and