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We all know the drill.
Arrive at the desk.
Tag your bag,
print your boarding pass
and head through security.
Finally, you make it through.
Get the obligatory super sized chocolate bar
and duty free, and then time to find the gate
for the plane
and get ready for takeoff.
That's all there is to it.
It's all very familiar,
but behind the scenes,
there's a hidden world of complexity.
Take your suitcase.
Once you've checked in,
your baggage sets out on its own long
and secret journey.
Before eventually joining you on board.
Here in Dubai,
they handle enormous volumes of luggage.
In just three hours during the morning rush.
They process around 50,000 bags stacked like this that reach
as high as Dubai's Burj Khalifa, the tallest building in the world.
Annually, the airport
handles a staggering 57 million items.
That's equivalent to 1100 Burj Khalifa.
And it's all got to be whisked
through the airport.
Every bag must get to the right plane
at exactly the right time.
To make sure that happens.
Each individual bag needs one of these.
The humble bag tag.
So when your baggage tag,
which we've all seen, obviously you've got things like your name.
And then here we've got the Dxb, which is a three digit code
for the airport that you're heading to.
But the really important thing is this mysterious
ten digit number along the bottom.
This is like your bags passport number if you like.
So the digits identify the airline, your particular bag's ID number.
And then there's
a special message digital, which identifies the priority of the bag
or any other information they need to know.
High priority, low priority, that kind of thing.
This code is part
of the universal language of aviation.
An international system that knows
no borders.
And it determines exactly what will happen to your suitcase.
After checking.
It. 25m beneath
the airport lies a bizarre subterranean world.
A sprawling 85 mile
high speed railway network.
Costing around 500 million pounds to build.
This is the world's biggest luggage system.
This place is up solutely enormous.
Everywhere you go, there are just miles and miles of these conveyor belts
with these trays that carry the suitcases moving along.
It's really weird.
It's like some kind of post-apocalyptic fairground rides.
But the strange thing is, you don't see any human beings.
It's completely automated.
It's like the robots have taken over.
After check in, your bag is spat onto a yellow tray.
Each tray has been chipped
with a unique ID and a computer tracks which bag has landed?
In which tray?
So each tray is specific for each bag.
Okay, so instead of tracking that bag, we tried to strike the tray instead.
That tray has an ID which allows us to track it
100%.
The human being tasked with keeping an eye over
this vast system is baggage manager Graham Pollock.
What we have the bin is points in the baggage
system are what you see here at some red stations.
This is this thing here.
This thing here is a sensor.
We'll pick up the information from the train
so the chain knows where it's going.
It will tell this part of the baggage system. And here I am.
Please send me to this location.
And then the baggage system will then divert it to the necessary pinpoint.
The computerized brain of the luggage system.
Plots every inch of your bags.
Journey to the aircraft.
If your flight's leaving within an hour,
the computer sends your baggage straight to the loading area.
But for those of us
with better timekeeping, all bags end up here.
The early baggage storage system.
If you've checked in a little bit too early.
What happens is the bags will wait here,
and then as soon as it's time for them to to make the journey to the aircraft,
a little red robot shuffle will whizz along here, pick up the tray
and put it on the conveyor belt system and then away it goes.
That guy's a robot.
The sheer volume of baggage
moving through here is breathtaking.
It simply can't be allowed
to fail, so it's monitored constantly from the control room.
There are more people working here
than on the entire length of the conveyor system.
Copy the double matrix and 374.
You need to clear it first place.
If it's taking time, let me know.
Please,
can you just explain a little bit about how this works?
Because it looks like a full on something
you might find in a railway network looks incredibly complicated.
Basically, you can see the right now red, yellow and green.
Green shows the system is normal.
Basically the green color.
So red shows a fault.
And there's also yellow as well as what is yellow color.
Yellow is basically a queuing with the bags waits.
It's basically like a traffic light.
Green good.
Yellow from red is like, oh yeah.

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