Exhibition demonstrates how an empire of 50 million people was fed to prevent revolt

Grabbing something hot and tasty on the move? You have the ancient Romans to thank. "Street food" was their invention, generally enjoyed with wine, gambling or even prostitutes.

Food on the go was an integral part of daily life in the empire, from nibbling on salted peas while watching gladiators battle in the Colosseum, to grabbing a sausage or fried fish snack after a dip in Rome's baths.