A stone’s throw from the barbed wire and minefields that separate the two Koreas, thousands gathered for a music festival this weekend to sing about peace in a place synonymous with conflict. The DMZ Peace Train Music Festival, named after the demilitarised zone that has separated the neighbours for seven decades, gathered artists and fans from around the world. It was the seventh instalment since the inaugural festival was held in 2018 under the slogan: “Let’s dance for a world without...