Cultural institutions surrounding Gwanghwamun Square in central Seoul are preparing temporary closures and schedule changes as safety measures ahead of K-pop juggernaut BTS' large-scale comeback concert set for March 21. The National Museum of Korean Contemporary History announced Friday that it will remain closed that day due to the event. The museum said the decision was made after considering safety concerns tied to the anticipated concentration of large crowds in the Gwanghwamun area. Nearby, the Sejong Center for the Performing Arts is also in discussions with concert organizers about canceling scheduled performances and exhibitions. Officials are reportedly exploring ways to open parts of the complex for fan use, potentially allowing visitors access to selected spaces and amenities. Several performances scheduled at the center that day have already been affected. The musical "Anna Karenina," originally set to be held at the Grand Theater, and the play "The Wasp" at the S Theater have been officially canceled. While decisions are still pending for The Seoul Metropolitan Ballet's dan