Two fresh roses are carefully placed in the engraved names of victims of the 2001 World Trade Center attacks at the edge of the north reflecting pool at the World Trade Center memo...
U.S. and NATO soldiers stand guard during a ceremony to commemorate the Sept. 11, 2001 terrorist attack on the World Trade Center in New York, in Resolute Support headquarters, in ...
Paul Murdoch, the architect of the Flight 93 National Memorial, rings the chime on a small ceremonial structure to symbolize the "soundbreaking" for the Tower of Voices, at the fut...
A man pays his respects at the Wall of Names at the United Flight 93 National Memorial in Shanksville, Pennsylvania.
Candles in memory of the passengers and crew of United Flight 93, are carried to the Wall of Names at the Flight 93 National Memorial in Shanksville, Pennsylvania.
A woman walks past a World Trade Center tribute banner showing the names of victims of the Sept. 11, 2001 terrorist attacks at Willie Mays Plaza outside of AT&T Park in San Francis...
A man looks at a World Trade Center tribute banner showing the names of victims of the Sept. 11, 2001 terrorist attacks at Willie Mays Plaza outside of AT&T Park in San Francisco.
A woman holds up a picture of a victim of the 9/11 terrorist attacks during a ceremony at ground zero in New York.
Traders on the floor of the New York Stock Exchange pause for a moment of silence on the 16th anniversary of the attacks on the World Trade Center.
A bouquet of roses is placed at a memorial wall outside Ladder 10 Engine 10 , at the World Trade Center in New York. Thousands of 9/11 victims' relatives, survivors, rescuers and o...
Family members and dignitaries bow their heads after laying a wreath at The Wall of Names during the service of remembrance tribute to the passengers and crew of United Flight 93 a...
People gather at the side of the north waterfall pool before the ceremony at ground zero in New York. Holding photos and reading names of loved ones lost 16 years ago, 9/11 victims...
New York City firefighters with Ladder 10 Engine 10 firehouse salute during a moment of silence, at the World Trade Center in New York. Thousands of 9/11 victims' relatives, surviv...
Flowers lay over the names of the victims of the 9/11 terrorist attacks before a ceremony at ground zero in New York. Holding photos and reading names of loved ones lost 16 years a...
President Donald Trump lays a wreath during a ceremony to mark the anniversary of the Sept. 11 terrorist attacks, at the Pentagon.
President Donald Trump and first lady Melania Trump stand for a moment of silence to mark the anniversary of the Sept. 11 terrorist attacks, on the South Lawn of the White House, i...
President Donald Trump and first lady Melania Trump stand as "Taps" is played during a ceremony to mark the anniversary of the Sept. 11 terrorist attacks, at the Pentagon.
A U.S. flag is unfurled at the Pentagon on the 16th anniversary of the September 11th attacks.
The Tribute in Light rises over the Statue of Liberty with One World Trade Center, left, in the background during the Sept. 11 anniversary seen from Jersey City, New Jersey. The tw...
The Tribute in Light is seen in the sky above the National September 11 Memorial at the World Trade Center site on the 16th anniversary of the Sept. 11 terror attacks, in New York....
