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City in the Sky

Latest Episode

Arrival - There are around a million people airborne at any one time. But what goes up must come down - and getting passengers safely back to earth depends on complex global networks and some astonishing technology.

All Episodes

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    Arrival

    Getting on the ground safely takes an army of hidden experts and incredible technology.

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    Airborne

    We take it for granted, but on any journey a hidden army of people keep your plane safe.

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    Departure

    What does it take to get 100,000 flights a day ready for take-off and up into the sky?

About City in the Sky

At any one time, there are a million people airborne somewhere in the world. That equates to an entire airborne city - a city in the sky. So what does it take to run a "city" at 30,000 feet? In this series, we set off around the world to uncover the invisible global networks and complex logistics that make it all possible.