Exquisitely garbed in a traditional cheongsam dress, 76-year-old Sang Xiuzhu is one of an unlikely vanguard of elderly influencers storming Chinese social media with videos of glamour in the golden years.

The rape of Vasfije Krasniqi-Goodman was one of thousands during Kosovo's 1990s war, but she is still the only victim to have spoken out publicly and now is pushing for a radical shake-up of a society long dominated by men.

Thirty teenagers, thousands of hours of training, dozens of shattered dreams: it all comes to a head next week when the Blitzers will be launched into the cut-throat K-pop market, hoping to become the next BTS.