How did K-Pop conquer the world?

It's a multi-billion dollar industry, with bands selling out stadiums across the world. K-Pop, or Korean Pop has created some of the biggest global music stars. How did bands, singing in Korean come to such prominence? The Korean government has capitalised on the soft power that its music industry has offered. But with the latest scandals involving the rape and abuse of women is there a darker side to it all? And could it tarnish brand Korea? Photo: BTS performs 'DNA' onstage Credit: Getty Images/Michael Tran/FilmMagic