27 Moving Images Of The Nation Remembering 9/11

A woman grieves at her husband's memorial at South Tower Reflecting Pool before the memorial observances held at the site of the World Trade Center.

An American flag marks the name of a loved one at the North Pool Memorial site as One World Trade Center towers in the background.

A woman writes on a replica of the Twin Towers behind a sea of American flags during a memorial in Matthews, North Carolina. The 2,997 American flags are displayed for each person lost on Sept. 11.

Artwork that shows a firefighter writing "We Love New York" by artist "Mr. Brainwash" is shown on the side of the Century 21 store near the National September 11 Memorial.

People pause near the 9/11 memorial during memorial observances at the site of the World Trade Center in New York.

United States Navy veteran Richard Fill, of Easton, Penn., looks up at 1 World Trade Center during a moment of silence on the 13th anniversary.

People walk near the 9/11 memorial in Exchange Place, New Jersey.

Sam Pulia, mayor of Westerchester, Illinois, and a former police officer of the same town, mourns over the name of his cousin, New York firefighter Thomas Anthony Casoria, who was killed in the South Tower at the site of the World Trade Center.

A woman places flowers in the inscribed names along the edge of the North Pool during memorial observances at the site of the World Trade Center.

Jersey City firefighters attend a ceremony at the 9/11 memorial in Exchange Place, New Jersey.

A woman stands among some of the 3,000 flags placed in memory of the lives lost in the Sept. 11, 2001 attacks, at a park in Winnetka, Illinois.

President Barack Obama, First Lady Michelle Obama, and Vice President Joe Biden listen to "Taps" after observing a moment of silence to mark the 13th anniversary of the 9/11 attacks on the South Lawn of the White House.

United States flags fly at Liberty State Park with 1 World Trade Center in the background in Jersey City, New Jersey.

Eileen Esquilin hugs her husband, Joe Irizarry, while mourning the loss of her brother, Ruben Esquilin Jr., at the site of the World Trade Center.

Candles in memory of the 40 passengers and crew of Flight 93 are carried to the Wall of Names at the Flight 93 National Memorial in Shanksville, Pennsylvania.

People pay their respects at the at the Fire Department of New York (FDNY) Memorial Wall Located at FDNY Engine and Ladder 10.

A woman cries at the edge of the North Pool during memorial observances at the site of the World Trade Center.

Members of the New York Police Department, Fire Department of New York and Port Authority Police Department carry an American flag past one of the reflecting pools at the beginning of the memorial observances at the site of the World Trade Center.

Paola Braut, of Belgium, cries over a photograph of her son Patrice along the edge of the North Pool during memorial observances at the site of the World Trade Center.

Former New York City Mayor Rudolph Giuliani stands at the edge of the North Pool Memorial site during observances at the site of the World Trade Center.

Belinda Adams (left), her niece, Deeanne Cush (center), and her mother, Belinda Adams, hold pictures of Patrick Adams, who died in the attacks, during memorial observances at the site of the World Trade Center.

A rose left in remembrance of those lost.

Kevin Brosnan, a retired NYPD detective, takes a moment to himself before family members are let in for the memorial observances held at the site of the World Trade Center.

Wearing a Superman outfit, Larnell Maurice Perry Jr. is lifted in the air by President Obama at a ceremony marking the 13th anniversary of the 9/11 attacks at the Pentagon. Larnell is the grandson of Angeline C. Carter, a staff accountant for the Department of the Army who died in the Pentagon during the attacks.

Relatives of the Sept. 11 attacks victims put flowers, toys, and photos on the names written at the National September 11 Memorial & Museum.

United States flags fly with 1 World Trade Center in the background in Jersey City, N.J.

Albert Biatta, of Queens, New York, prays while standing front of the inscribed name of his uncle Antoine Biatta at the edge of the North Pool Memorial site.