All Photos From: Google Image
The septet was revealed to be the headlining act for an international concert in support of their nation's quest to host the 2030 World Expo.
The 19th-floor conference room of BTS studio HYBE Co Ltd served as the location for the appointment ceremony.
All members of BTS were there, according to a press statement from the Busan Metropolitan City.
According to Park Hyung-joon, BTS and the city of Busan have been collaborating as partners at the World Expo for the advancement of humanity and prosperity throughout the world.
"BTS, which has significantly influenced the growth of human culture,
The first public relations ambassador for the 2030 Busan World Expo bid was picked last year and is well-known South Korean actor Lee Jung-jae of the Squid Game fame.
Pictures from the ceremony were posted by BTS on their official Twitter account.