Wikipedia | Crain's Philadelphia
Photo Credit URL: 
https://en.wikipedia.org/wiki/Hartsfield%E2%80%93Jackson_Atlanta_International_Airport#/media/File:Delta_check_in_at_ATL.jpg
Image: 
Photographer: 
Cspurrier
Photographer URL: 
https://commons.wikimedia.org/wiki/User:Cspurrier
Attribution Type: 
Public Domain
Attribution Type URL: 
https://en.wikipedia.org/wiki/Public_domain