In this photo provided by the Port Authority of New York and New Jersey, one of the last two segments of the silver spire to be installed on top of One World Trade Center is hoisted on May 2, 2013. (AP/Port Authority of New York and New Jersey)
Take a look at the process of hoisting a silver spire on top of One World Trade Center, bringing the iconic structure to its full, symbolic height of 1,776 feet.
This Jan. 15, 2013 photo shows a tribute in graffiti to Lillian Fredricks that a construction worker left on a steel column on the 104th floor of One World Trade Center in New York. (AP Photo/Mark Lennihan)
The words on beams, walls and stairwells of the skyscraper that replaces the twin towers lost on Sept. 11, 2001, form the graffiti of defiance and rebirth.
Linda Torrens holds a portrait of her cousin Janine Nicole Gonzalez during the observances held on the eleventh anniversary of the attacks on the World Trade Center, Tuesday, Sept. 11, 2012 in New York. (AP Photo/Mary Altaffer, Pool)
On Sept. 11, 2001, nearly 3,000 people were killed on America's worst day of terrorism as 19 al-Qaida terrorists hijacked four passenger jetliners.
Linda Torrens holds a portrait of her cousin Janine Nicole Gonzalez during the observances held on the eleventh anniversary of the attacks on the World Trade Center, Tuesday, Sept. 11, 2012 in New York. (AP Photo/Mary Altaffer, Pool)
On Sept. 11, 2001, nearly 3,000 people were killed on America's worst day of terrorism as 19 al-Qaida terrorists hijacked four passenger jetliners.
Republican presidential candidate former Massachusetts Gov. Mitt Romney, listens as President Barack Obama answers a question during the second presidential debate Tuesday, Oct. 16, 2012. (AP Photo/Mary Altaffer)
Libya. Israel. The Palestinians. Iran. Afghanistan. Pakistan. China. Terrorism. Think world hotspots. Think hot rhetoric. Watch the third presidential debate Monday night.
A look back at breaking news coverage as 9/11 events unfolded live on CNN 10 years ago.
Artist from every music genre respond to the attacks that took place on …
Newsgathered: News in photos May 20-24
Marine pilot sends love from sky-high
Company You Keep: March 2013
TSA policy on knives sparks backlash
