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People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.People gather to watch as they reveal the structural steel teaching sculpture on May 1, 2015.