Sofia, Bulgaria - September 12, 2016: An air traffic controller is directing flights during a working day at Bullgaria's Air Tra

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Sofia, Bulgaria - September 12, 2016: An air traffic controller is directing flights during a working day at Bullgaria's Air Traffic Services Authority control center room. Talking with the pilot.

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Size: 5698px × 3798px
Photo credit: © Pluto / Alamy / Afripics
License: Royalty Free
Model Released: No

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