second photo from yasira@Naver Katakomb Underground City Seogyo-dong, Mapo-gu, Seoul Katakomb Underground City is definitely one of the most beautiful places to me. As you can see on the picture, it is stunning with its lights and all. If you want to see more pictures of its interior, check this blog out. If you think you've seen it on this blog already, you might have watched Marry Him If You Dare. It's Seju's favorite bar . :p FOLLOW US FOR MORE UPDATES! IMPORTANT NOTE: This post may not be 100% accurate.