Visual of Chicago on an overcast day; LAS of high-rise building (0:20). MWS of buildings lining canal, MSs of elegant bridge spanning canal with buildings in background (0:39). LAS of downtown building with traffic on urban highway in foreground, including MS of the Chicago Tribune building (1:24). MLS of urban train passing on elevated rails above busy street, MLS across street of Chicago Sun-Times building, PAN to MLS of the Wrigley building and the Tribune Tower, closer shot of urban train (1:33).