The cost that HYBE will incur for the BTS Gwanghwamun concert in Seoul is: - 30 million KRW for 7 days of use at Gwanghwamun - 61 million KRW for the use and filming at Gyeongbokgung Palace and Sungnyemun In total, about 91 million KRW. However, the cost of over 10,000 administrative personnel, including about 6,700 police officers for traffic control, public transportation adjustments, crowd management, price order checks, and safety management, is all taxpayer money.