“When you grow up, your heart dies,” is a famous line of dialogue from The Breakfast Club. In this barmy coming-of-age sci-fi a trio of teenagers find out that adulthood really does suck after sneezing themselves 20 years into the future. The movie is a directed by young Chinese film-maker Li Yang on a maximalist scale; it’s noisy and flashy, like a John Hughes movie made for TikTok – every scene sped up or slowed down, stylised with a comic-book animation or pinging with gamer special effects. The year is 1999 on a planet that looks a lot like Earth...