K-pop supergroup BTS will hold a "The City" cultural project at key sites in the Korean capital to mark its highly anticipated return after a nearly four-year hiatus, the group's agency BigHit Music announced Friday. The event, titled "BTS The City Arirang Seoul," will run from March 20 to April 12, featuring a 23-day program combining music, media art, and urban installations. The seven-member act is set to release its fifth studio album, "Arirang," named after the famous Korean folk song, on March 20. It will be its first release since "Proof" in June 2022 and the first since all members completed their mandatory military service. The group is scheduled to hold a free concert the following day to mark the reunion at Gwanghwamun Square in central Seoul, where organizers expect approximately 150,000 to 200,000 fans to gather. On the day of the new release, the city's major landmarks, including the Sungnyemun gate and Seoul Tower, will light up a large-scale media facade. "Adding contemporary media expressions to cultural heritage sites like Sungnyemun will present symbolic scenes where t