Busan puts money on BTS, ARMY to win World Expo 2023 bid

The BTS members have been appointed as goodwill ambassadors for Busan's campaign bid to host the World Expo 2023. — ROB LATOURS/Shutterstock

Busan is set to host a major event in October: A BTS concert.

This performance, highly anticipated by fans of the K-pop band, is posing challenges for the largest city on the South Korean coast, both in terms of accommodation and transportation.