Paul Andreu designed the first terminal at Charles de Gaulle, north of Paris, as a doughnut-shaped structure with glass tubes crossing through the middle, but when it came time to expand the airport, in the nineteen-eighties, only a few years after the first part was finished, his futuristic form seemed more like a cartoon than like a functional building, and more conventional terminals were ordered up.

NEWYORKER: Situation Terminal

And there is a growing band of people who find they can continue to pound the pavements into their eighties and even nineties, if they look after themselves properly.

BBC: Who, What, Why: How can a 100-year-old run a marathon?