Concept
Version 6
Created by Boundless
Natural Resource Market
Chicago Mercantile Exchange
The Chicago Mercantile Exchange, shown above, is one of the world's largest commodity markets.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Cme building aerial view."
http://en.wikipedia.org/wiki/File:Cme_building_aerial_view.jpg
Wikipedia
CC BY-SA.