Concept
Version 3
Created by Boundless
Archaic Greece
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Attica_06-13_Athens_50_View_from_Philopappos_-_Acropolis_Hill.jpg."
https://en.wikipedia.org/wiki/File:Attica_06-13_Athens_50_View_from_Philopappos_-_Acropolis_Hill.jpg
Wikipedia
CC BY-SA 3.0.