Skyscrapers including the Aon Center viewed from Millennium Park, Chicago, Illinois, United States of America, North America

photography horizontal outdoors outside day daytime aon center aon centre millennium park park chicago illinois usa us united states united states of america america american north america north american travel destination travel incidental people background people people in the background building exterior building buildings architecture architectural high rise highrise high rise skyscraper skyscrapers sky scraper sky scrapers urban scene urban cityscape cityscapes city scape city scapes skyline landmark landmarks tower city cities tourist destination path walkway