People have been eating out in restaurants and bars for hundreds of years, and some of those early establishments are still open today.

This week Ruth Alexander meets the people running some of the world’s oldest restaurants. When so many close within the first 12 months of opening, what’s the secret to centuries-old success?

Antonio Gonzales Gomez runs Botin, in the Spanish capital Madrid. The restaurant is judged as the oldest by the Guinness World Records, and he tells us how he and his family have kept it going for so long.

Ruth heads to the east of England to Nottingham, where the battle to claim the title of 'world's oldest pub' is fierce. Buildings archaeologist Dr James Wright explains what evidence he's found to declare the winner.

We hear how a 200-year-old tavern in Missouri, in the United States, has been battling to stay open, and the man who runs the "oldest sausage restaurant in the world" tells us why being located of an historic German town boosts business.