Remembering 9/11
1
President Barack Obama bows his head during a moment of silence at the Pentagon during a ceremony to mark the 13th anniversary of the 9/11 attacks, Sept. 11, 2014.
2
President Barack Obama, First Lady Michelle Obama, Vice President Joe Biden, and others observe a moment of silence to mark the 13th anniversary of the 9/11 attacks, on the South Lawn of the White House, in Washington, Sept. 11, 2014.
3
Jose Colon, of New York, looks up at 1 World Trade Center before a ceremony marking the 13th anniversary of the 9/11 attacks, Sept. 11, 2014, in New York.
4
A woman grieves at the site of her husband's inscribed name at the edge of the North Pool during memorial observances on the 13th anniversary of the 9/11 attacks at the site of the World Trade Center in New York, Sept. 11, 2014.