“[W]hile the huge viral success of [Korean pop group] Psy’s hit has created a whole genre of jockey-based dance moves” – from dissident artist Ai Weiwei to London mayor Boris Johnson – “Gangnam is a place, too. It’s the Mayfair of Seoul, the high-rise district of the city just south of the river. Although it does feature one large and rather beautiful temple, Bongeun, for the most part, Gangnam is an upmarket shopping area.”