During the costume festival, people engage in the custom of wearing themed costumes to express creativity and cultural heritage. This celebration often includes parades, contests, and performances, where participants showcase elaborate and imaginative outfits. The themed costumes may represent various historical figures, cultural icons, or fantasy characters, allowing individuals to explore their identities and tell stories through attire. The vibrant atmosphere of the event encourages community participation and festive spirit, making it a joyous occasion for both participants and spectators alike.