World Trade Center Rising: Spire, Decorated With Flag, Lifted to Roof Workers using two giant cranes on the 104th floor roof of One World Trade Center installed the first piece of the spire that will make it the tallest

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One World Trade Center World Trade Center Spire New York City Architecture Structural engineering		World Trade Center Rising: Spire, Decorated With Flag, Lifted to Roof Workers using two giant cranes on the 104th floor roof of One World Trade Center installed the first piece of the spire that will make it the tallest Add to Reading List Source URL: www.panynj.gov Download Document from Source Website File Size: 29,04 KB Share Document on Facebook