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All Episodes

Arrival

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

Airborne

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

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.

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