Two World Trade Center, also known by its street address, 200 Greenwich Street, is an unfinished office building at the World Trade Center site in Manhattan, New York City. The tower is under construction and would be the second on the World Trade Center site. The first tower, the former South Tower of the World Trade Center's Twin Towers, was located across Greenwich Street. It was completed in 1971 and was destroyed in the September 11, 2001 attacks.