BTS turned millions on to K-pop. But now it’s caught between Korea and the world.
Tens of thousands turned up to watch and more than 18 million people live-streamed the one-hour show - a slick teaser of the upcoming BTS world tour, with the group's easy camaraderie on display, almost as if they had not spent much of the last three years apart, doing mandatory military service and releasing solo albums.
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