27.07.2007, St. Louis, Missouri, United States of America - The Gateway Arch and the skyscrapers of St. Louis in the background. (USA, United States of America, United States, America, American, North America, North American, St. Louis, Missouri, Gateway Arch, Gateway to the West, Jefferson National Expansion Memorial, history, historic events, westward, movement, arc, arch, bow, catenary arch, inverse catenary arch, unique, only, building, architecture, architectural, modern, modern architecture, contemporary architecture, steel, stainless steel, carbon steel, construction, tall, tallest, tram, tram system, observation deck, park, commemorate, commemoration, commemorative, memory, memorial, monument, icon, iconic, symbol, symbolic, symbolical, explorer, pioneer, protected landscape, multistorey buildings, multi-storey buildings, multistory buildings, multi-story buildings, skyscrapers, high-rise buildings, highrise buildings, high-rise, highrise, tourism, touristic, holiday, trip, journey, landmark, place of interest, sightseeing, tranquility, tranquillity, relax, outdoor, outdoors, leisure time, free time, leisure, stairs, concrete, sky, nobody, horizontal) 00P070727D533CAROE.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!]