What popular tourist destination was built in the 1960's in the city that had the Pruitt-Igoe complex?
History of St. Louis (1905–80):  Despite attempts at urban renewal that included public housing projects such as the Pruitt-Igoe complex, and the city continued to lose population to county cities. Gateway Arch:  Built as a monument to the westward expansion of the United States, and officially dedicated to "the American people," it is the centerpiece of the Jefferson National Expansion Memorial and has become an internationally recognized symbol of St. Louis, as well as a popular tourist destination.
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