Chicago Board of Trade Building, Downtown Chicago, Illinois, United States of America, North America

Chicago Board of Trade Building, Downtown Chicago, Illinois, United States of America, North America

View of Chicago Board of Trade building, Downtown Chicago, Illinois, United States of America, North America

View of Chicago Board of Trade building, Chicago, Illinois, United States of America, North America

Partial view of the Chicago Board of Trade CBOT, CME Chicago Mercantile Exchange Group, the world's oldest derivatives exchange, Financial District, Chicago Loop, Chicago, Illinois, United States of America, USA, North America

Low angle view of the American flag in front of a building, Chicago Board Of Trade, Chicago, Illinois, USA