25.07.2007, Chicago, Illinois, United States of America - An elevated LOOP train passing office builindgs in Chicago Downtown. (USA, United States of America, United States, America, American, North America, North American, Chicago, Illinois, LOOP, CTA, elevated train, elevated railway, elevated railroad, elevated, train, city planning, urban planning, means of transport, passenger transport, public transport, traffic, passenger traffic, rail traffic, railroad traffic, railway, railroad, railway line, railroad line, tracks, railway tracks, railroad tracks, passenger train, machine, railway system, infrastructure, building, buildings, office buildings, architecture, architectural, modern, modern architecture, contemporary architecture, multistorey buildings, multi-storey buildings, multistory buildings, multi-story buildings, city, city center, city centre, downtown, big city, urban, city life, urban life, commute, commuting, outdoor, outdoors, nobody, horizontal) 00P070725D475CAROE.JPG [MODEL RELEASE: NOT APPLICABLE, PROPERTY RELEASE: NO (c) caro images / Muhs, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]