One World Trade Center
Image chronology of the construction of One World Trade Center, formerly known as the Freedom Tower, the main building of the new World Trade Center in Lower Manhattan, New York City, United States. The tower is located in the northwest corner of the 16-acre (65,000 m²) World Trade Center site, bound by Vesey, West, Washington, and Fulton streets. Construction on below-ground utility relocations, footings, and foundations for the building began on April 27, 2006. On December 19, 2006, the first steel columns were installed in the building's foundation. Four other high-rise office buildings are planned for the site along Greenwich Street, with two of the four planned buildings completed in 2013 and 2018. It is surround by the World Trade Center Memorial, which was fully completed in 2014. The area also is home to a museum dedicated to the history of the site. On March 26, 2009, the en:Port Authority of New York and New Jersey said that the building is known as 'One World Trade Center', replacing its former name 'Freedom Tower'.