Ihwa Mural Village is just one of the attractions in Jongno-gu, Seoul so you might want to stop by during your trip. It's also full of great shops and restaurants, so you can spend the afternoon having a wander. If you want to experience more of the culture Seoul has to offer, head to Dongdaemun Seonggwak Park, Seoul National University Hospital, and Dongdaemun Market Mall.