K-pop supergroup BTS reunited for their first concert in nearly four years at Seoul's historic Gwanghwamun Square, drawing tens of thousands of fans and marking a symbolic return after completing their mandatory military service. The performance featured traditional Korean elements, songs from their new album "Arirang," and global hits, and was live-streamed on Netflix to a worldwide audience. This concert launched BTS's extensive global tour, highlighting their enduring cultural impact and resilience.