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As the nation solemnly marks the 20th anniversary of the 9/11 attacks, the American Institute of Steel Construction issued a thank you to structural engineers.

A new documentary airing on PBS this week chronicles the efforts of the NYC Department of Design and Construction (DDC) as it led the World Trade Center

Look up to the sky tonight (Friday) night as the 9/11 Memorial & Museum’s annual Tribute in Light honors those who lost their lives on September