Chicago Water Tower in foreground, Hancock Building in background, Chicago, Illinois, United States of America, North America

adult architecture blue sky building chicago clear sky color image crowd day distant facade full length hancock building historical landmark horizontal illinois landmark large group of people north america outdoors people photography side view silhouette sunny tourist tourist attraction travel travel destinations united states united states of america urban walking water tower america american americas city cloudless color colour daytime distance front full body historical history il metropolitan outside sightseeing sky stepping structure sunshine tourism us usa us usa walk