Wikimedia | Crain's Connecticut
Photo Credit URL: 
https://commons.wikimedia.org/wiki/File:Philadelphia_skyline_sunset.jpg
Image: 
Photographer: 
Ed Yakovich (Emy111 at en.wikipedia)
Photographer URL: 
https://en.wikipedia.org/wiki/User:Emy111
Attribution Type: 
Public Domain
Attribution Type URL: 
https://en.wikipedia.org/wiki/Public_domain