A massive outdoor comeback show by BTS in central Seoul is already stirring controversy, even before the music begins. Authorities are preparing an unprecedented level of security and traffic control around Gwanghwamun Square ahead of the group’s upcoming event, prompting complaints from some residents and online commentators who say the measures are excessive. The concert, titled “BTS THE COMEBACK LIVE | ARIRANG,” will take place on March 21 in the historic square in central Seoul, according to organizers. Police and the city government expect as many as 260,000 fans to gather for the performance. To prepare for the crowd, officials have designated 31 buildings near the square as priority monitoring sites. Authorities have requested partial closures of building entrances and restrictions on rooftop and upper floor access. The measures are intended to prevent potential falls from high vantage points and to stop so-called “free riders” from watching the concert from nearby rooftops without tickets. Security preparations are extensive with more than 6,500 police officers from mult