
Thirteen years after the 9/11 terrorist attack, the resurrected World Trade Center is again opening for business - marking an emotional milestone for both New Yorkers and the nation.

Publishing giant Conde Nast have already started moving into One World Trade Center, a 104-story, $3.9 billion skyscraper that dominates the Manhattan skyline. It is America's tallest building.

It's the centerpiece of the 16-acre site where the decimated twin towers once stood and where more than 2,700 people died on September 11, 2001, buried under smoking mounds of fiery debris.

Pictures released today showed areas of the building open to the public, including the lobby, reception and pristine hallways leading to trains and the street.

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The stunning interior of the resurrected World Trade Center is revealed as the building opens for business 13 years after 9/11

One World Trade Center is the centerpiece of the 16-acre site where the decimated twin towers once stood and where more than 2,700 people died on September 11, 2001

City officials have called One World Trade Center in lower Manhattan 'the most secure office building in America'

The building, which is America's tallest, is 60 per cent leased but a date for opening ceremony has yet to be decided

Publishing giant Conde Nast has already started moving into One World Trade Center, which is America's tallest building

The 104 story, $3.9 Billion skyscraper is newly opened and features hallways leading to trains and the street

The Port Authority director said the New York City skyline is 'whole again', as One World Trade Center takes its place in Manhatten

The building is 60 per cent leased with advertising firm Kids Creative, and Legends Hospitality also moving in to the new interior

Anna Wintour, the editor of Vogue, will move to the 25th floor with staff, while Graydon Carter, Vanity Fair editor, will take the 41st floor

New York Governor Andrew Cuomo said One World Trade Center serves as a 'symbol of the resilience of the people of New York'

Construction fences are being taken down and boxes of office equipment moved into place in the new building

Director of the Port Authority said One World Trade Center 'sets new standards of design, construction, prestige and sustainability'

The government's General Services Administration signed up for 275,000 square feet, and the China Center, a trade and cultural facility, will cover 191,000 square feet of the newly reopened One World Trade Center

Areas already open to the public, include the building's lobby, reception, and hallways leading to trains and the street

The reopening of the building marks an emotional milestone for both New Yorkers and the nation as a whole

Thirteen years after the 9/11 terrorist attack, the resurrected World Trade Center (pictured last month) is again opening for business, marking an emotional milestone for both New Yorkers and the nation

A pedestrian gazes as he walks by One World Trade Center in New York on Monday. At a height of 541 meters, One World Trade Center, opened today to its first tenants

Members of the media explore a model office, used to exhibit what a business space could look like on the 63rd floor of the building

The official account of One World Trade tweeted at their first tenants this morning: 'Enjoy the views!' The tower overlooks the National September 11 Memorial & Museum built in the footprints of the twin towers

The sun rises next to One World Trade Center on Monday, November 3, 2014 in Manhattan. Thirteen years after the 9/11 terrorist attack, the resurrected World Trade Center is again open for business

Room with a view: One of the offices looking out from One World Trade Center on Monday. Anna Wintour and her Vogue team are moving to the 25th floor while Graydon Carter and Vanity Fair will have desks on the 41st

A woman uses her ID card to enter One World Trade Center this morning. Port Authority executives have called it 'the most secure office building in America'

The elevator bank of One World Trade Center, letting riders glide to all 104 floors of America's tallest building

The uptown view from the 63rd floor of One World Trade Center, which opened for business after a decade of construction

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New York Governor Andrew Cuomo said in a statement Monday: 'One World Trade Center serves as a symbol of the resilience of the people of New York.

'Today, as we open its doors for the first time, we remember that strength and courage will always conquer weakness and cowardice, and that the American spirit, defended by proud New Yorkers, will not be defeated.

'That lesson and that example live on today as powerful as they were 13 years ago. This is a tremendous day for all New Yorkers, proving once again that the spirit of resurgence and community lives on stronger than ever before.'

A date for an opening ceremony for America's tallest building has yet to be decided, The Wall Street Journal reported today.

One World Trade Center serves as a symbol of the resilience of the people of New York. Today, as we open its doors for the first time, we remember that strength and courage will always conquer weakness and cowardice, and that the American spirit, defended by proud New Yorkers, will not be defeated New York Governor Andrew Cuomo

'The New York City skyline is whole again, as One World Trade Center takes its place in Lower Manhattan,' said Patrick Foye, executive director of the Port Authority of New York and New Jersey that owns both the building and the World Trade Center site.

He said One World Trade Center 'sets new standards of design, construction, prestige and sustainability; the opening of this iconic building is a major milestone in the transformation of Lower Manhattan into a thriving 24/7 neighborhood.'

With construction fences gone and boxes of office equipment in place, Conde Nast CEO Chuck Townsend planned to walk on Monday into what Mr Foye calls 'the most secure office building in America'.

Only about 170 of his company's 3,400 employees are moving in now, filling five floors of the tower, said Patricia Rockenwagner, a Conde Nast vice president and spokeswoman. About 3,000 more will arrive by early 2015.

Anna Wintour, the editor of Vogue, will move to the 25th floor along with her staff, while Graydon Carter, Vanity Fair editor, will take the 41st floor.

Chris Mitchell, publisher of Vanity Fair, has yet to move into the building but he arrived at One World Trade Center on Monday for an early morning meeting.

'To me, it's really coming full circle,' he told the Wall Street Journal. 'That was such a tragic day and this is such a day of promise.'

Jessica Lappin, president of the Alliance for Downtown New York, added that the building's opening showed that 'our way of life, our determination to carry on, to write, create and speak our minds, would not be cowed by the evil that visited us that dark day 13 years ago'.

A security guard stands inside One World Trade Center which opened today - around 60 per cent of building has now been leased but only some of the new tenants have moved in

The South entrance to One World Trade Center is seen in New York. The building is 60 per cent leased, with 80,000 square feet going to the advertising firm Kids Creative, the stadium operator Legends Hospitality

Crowds of commuters walk past One World Trade Center on Monday morning just after the building opened

One World Trade Center stands between the transportation hub, left, still under construction, and 7 World Trade Center, right

ROCKY START: SNL ON NEW WTC Comic Chris Rock didn't pull any punches on Saturday Night Live this weekend as he made a joke about the new World Trade Center. He said: ''They should change it from the Freedom Tower to the Never Going In There Tower.' He continued: 'What do they have? Does this building duck? What were they thinking? Who's the corporate sponsor - Target? He insisted: 'I don't care if Scarlett Johansson is buck naked on the 89th floor in a plate of ribs - I'm not going in there.' Advertisement

The building is 60 per cent leased, with another 80,000 square feet going to the advertising firm Kids Creative, the stadium operator Legends Hospitality, the BMB Group investment adviser, and Servcorp, a provider of executive offices.

The government's General Services Administration signed up for 275,000 square feet, and the China Center, a trade and cultural facility, will cover 191,000 square feet.

From the northeast corner of the site, the tower overlooks the National September 11 Memorial & Museum built in the footprints of the twin towers.

Its stated aim is to honor those who perished on that sunny September morning.

For years, the grisly pit where workers found mostly body parts was dubbed the 'ground zero' of the aerial terror attack.

Now, the illuminated spire of One World Trade Center serves as a beacon to planes that fly over the city, seemingly at eye level with the high rise's open rooftop.

The view stretches from Manhattan to the Statue of Liberty into New Jersey and Connecticut and all the way to the Atlantic Ocean.

At night, the incandescent steel-and-glass behemoth can be seen from vessels in New York Harbor approaching Manhattan.

New start: A group of businessmen greet one another outside One World Trade Center on its Monday morning opening

'DOZENS OF UNREPORTED INJURIES DURING BUILDING OF WTC' There have been dozens of unreported injuries during the construction of One World Trade Center, a new investigation has found. There were 34 serious injuries among workers over the decade it took to rebuild - but were not reported to the Occupational Safety and Health Administration, the Daily News found. Among the incidents, was one work struck in the head with 60lb of steel and another who fell 20 feet from collapsing scaffolding. One apprentice ironworker Ethan Villalona, 23, still feels the effects of injuries sustained at One World Trade two years ago. He walks with a cane after having his legs crushed and pelvis fractured by a falling steel beam. MailOnline was awaiting a comment from both Port Authority and the Department of Labor. Advertisement

An observation deck eventually will be open to the public.

'There's so many people who have done so much to bring it where it is,' said Dave Checketts, the CEO of Legends, the company operating the observatory on floors 100-102, told ABC News.

'I give them all a lot of credit for staying with the fight because the finished product is going to be something inspirational to people and comforting.'

'It's a brute fact. We did come back,' he added. 'We brought it back; we built it even higher than it was before.'

The eight-year construction of the 1,776-foot high skyscraper came after years of political, financial and legal infighting that threatened to derail the project.

The bickering slowly died down as two other towers started going up on the southeast end of the site.

The now completed 4 World Trade Center whose anchor tenant is the Port Authority, and 3 World Trade Center that's slowly rising.

The spirit of renewal did not quash memories of the horrific act of terror, but the area has prospered in recent years beyond anyone's imagination.

About 60,000 more residents now live there — three times more than before 9/11 — keeping streets, restaurants and shops alive even after Wall Street and other offices close for the day.

Still, it's a bittersweet victory, one achieved with the past in mind as the architects created One World Trade Center.

T.J. Gottesdiener of the Skidmore, Owings & Merrill firm that produced the final design said the high-rise was built with steel-reinforced concrete that makes it as terror attack-proof as possible.

He said the firm went beyond the city's existing building codes to achieve that.

'We did it, we finally did it,' he said.

The North facade of One World Trade Center where the tower overlooks the National September 11 Memorial & Museum built in the footprints of the twin towers

An employee enters the lobby of One World Trade Center. Conde Nast employees were pictured arriving at their new base in America's tallest building

Only employees were allowed to enter One WTC on Monday but an observation deck eventually will be open to the public

Employees are stationed at the front desk for Conde Nast in the lobby of One World Trade Center on Monday

A doorman holds the door for an employee entering One World Trade Center on Monday morning