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People have been eating out in restaurants and bars for hundreds of years.
And some of those early establishments are still open today.
This is the food chain from the BBC World Service with me, Ruth Alexander.
And this week we're meeting the people running some of the world's oldest restaurants.
When so many close within the first year or two of opening, what's the secret to centuries old success?
People like a story and people like antiquity.
And if you marry the two together, that can also lead to customers they want to consume.
A pile of history.
We'll hear about the personal battles to keep the doors open.
I just couldn't let it go.
The sheer cost.
It can involve enormous rewiring.
Two years ago, that cost £90,000.
Well, that must be around US$100,000.
Yes, indeed.
And what love has to do with it.