Bún bò Huế (wynos)

Most Americans do not own passports. They're not a naturally curious people. If you were to lock an American for sixty years in an empty underground bunker which contained nothing but a woolly tea cosy, the American would not even be curious enough to be tempted to see if the tea cosy would make a serviceable hat. They're far more likely to arrest the tea cosy, intern it illegally in Guantanamo Bay...