FILE PHOTO: BTS pose on the red carpet as they attend the 64th Annual Grammy Awards at the MGM Grand Garden Arena in Las Vegas, Nevada, U.S., April 3, 2022. REUTERS/Maria Alejandra Cardona
SEOUL (Reuters) -K-pop boy band BTS reunited on Saturday for a concert in Busan in support of South Korea's bid to host the World Expo 2030 in the southern port city.
The free concert -- Titled 'BTS
