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Oct 18, 2012 - St. Louis to Salem, Missouri

We drove into St. Louis this morning to see the Gateway Arch. It is a very impressive structure 630' tall. It was pretty cool the way they built it. It is a series of triangles stacked on top of each other...they had apparatus on the outside that would allow for the sections to be lifted in place by crane. Both ends of the arch were built at the same time; when they got closer to the top, a temporary structure was put in place between the "arms" to keep them apart. When the last piece was put in place, they needed to spread the arms apart...

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