With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In 2013, the final component of the One World Trade Center's spire was installed.
text_B: One World Trade Center -LRB- also known as 1 World Trade Center , 1 WTC or Freedom Tower -RRB- is the main building of the rebuilt World Trade Center complex in Lower Manhattan , New York City .. Manhattan. Manhattan. New York City. New York City. World Trade Center. World Trade Center ( 2001–present ). Lower Manhattan. Lower Manhattan. building. skyscraper. It is the tallest building in the Western Hemisphere , and the sixth-tallest in the world .. Western Hemisphere. Western Hemisphere. building. skyscraper. sixth-tallest in the world. List of tallest buildings in the world#Tallest buildings in the world. The supertall structure has the same name as the North Tower of the original World Trade Center , which was completely destroyed in the terrorist attacks of September 11 , 2001 .. World Trade Center. World Trade Center ( 2001–present ). supertall structure. supertall structure. North Tower. List of tenants in One World Trade Center. original World Trade Center. World Trade Center ( 1973–2001 ). The new skyscraper stands on the northwest corner of the 16 acre World Trade Center site , on the site of the original 6 World Trade Center .. World Trade Center. World Trade Center ( 2001–present ). World Trade Center site. World Trade Center site. 6 World Trade Center. 6 World Trade Center. The building is bounded by West Street to the west , Vesey Street to the north , Fulton Street to the south , and Washington Street to the east .. Fulton Street. Fulton Street ( Manhattan ). building. skyscraper. West Street. West Side Highway. Vesey Street. Vesey Street. Washington Street. Washington Street ( Manhattan ). The building 's architect was David Childs , whose firm Skidmore , Owings & Merrill -LRB- SOM -RRB- also designed the Burj Khalifa and the Willis Tower .. David Childs. David Childs. building. skyscraper. Burj Khalifa. Burj Khalifa. Willis Tower. Willis Tower. The construction of below-ground utility relocations , footings , and foundations for the new building began on April 27 , 2006 .. building. skyscraper. One World Trade Center became the tallest structure in New York City on April 30 , 2012 , when it surpassed the height of the Empire State Building .. New York City. New York City. World Trade Center. World Trade Center ( 2001–present ). tallest structure in New York City. List of tallest buildings in New York City. Empire State Building. Empire State Building. The tower 's steel structure was topped out on August 30 , 2012 .. topped out. Topping out. On May 10 , 2013 , the final component of the skyscraper 's spire was installed , making the building , including its spire , reach a total height of 1776 ft. Its height in feet is a deliberate reference to the year when the United States Declaration of Independence was signed .. building. skyscraper. spire. spire. United States Declaration of Independence. United States Declaration of Independence. The building opened on November 3 , 2014 ; the One World Observatory opened on May 29 , 2015 .. building. skyscraper. On March 26 , 2009 , the Port Authority of New York and New Jersey -LRB- PANYNJ -RRB- confirmed that the building would be officially known by its legal name of `` One World Trade Center '' , rather than its colloquial name of `` Freedom Tower '' .. Port Authority of New York and New Jersey. Port Authority of New York and New Jersey. World Trade Center. World Trade Center ( 2001–present ). building. skyscraper. The building is 104 standard floors high , but the tower has only 94 actual stories .. building. skyscraper. The new World Trade Center complex will eventually include five high-rise office buildings built along Greenwich Street , as well as the National September 11 Memorial & Museum , located just south of One World Trade Center where the original Twin Towers stood .. World Trade Center. World Trade Center ( 2001–present ). high-rise. high-rise. Greenwich Street. Greenwich Street. National September 11 Memorial & Museum. National September 11 Memorial & Museum. The construction of the new building is part of an effort to memorialize and rebuild following the destruction of the original World Trade Center complex .. World Trade Center. World Trade Center ( 2001–present ). building. skyscraper. original World Trade Center. World Trade Center ( 1973–2001 )
related.