There seems to be something of a quiet Mexican revolution taking place. Or should that be Calimex, or Mexicali, or even Calitexican? Because we're talking about the onslaught of the burrito. Appropriately for this most mammoth of snacks, it's arriving in a big way and their latest outlet in Covent Garden chose BetterWallpaper to bring the restaurant walls to life with a truly mexican theme - mexican taxis !