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Air Trafic

How many planes are in the sky?

Check it out on:
https://www.flightradar24.com/AEE648/f8bb73b

The job as air-trafic controller is very important indeed...
https://www.belgocontrol.be/web/guest;jsessionid=47ZVOtIR17w-y1lkqt4IAiJb.undefined