If William Shakespeare – or Florence Nightingale, or Attila the Hun, or Julius Caesar, or Jane Austen, or Pocahontas – was dropped in Trafalgar Square, London, what would they find most unusual? And how would we explain it to them? Giles, Suffolk
Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.