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):  The city became home to the Jefferson National Expansion Memorial during the 1930s, and during the 1960s the Gateway Arch was built on the memorial grounds. Gateway Arch: The Gateway Arch is a 630 ft monument in St. Louis in the U.S. state of Missouri.
i don't know