Canada Border Services officer Lisa Steel, right, hugs New York City fire department paramedic John Rugen after a 9/11 memorial service at the Peace Arch-Douglas border crossing in Surrey, British Columbia, on Sunday, Sept. 11, 2011. Hundreds of people gathered at the Canada-U.S. border to mark the 10th anniversary of the terrorist attacks of Sept. 11, 2001. (AP Photo/The Canadian Press, Darryl Dyck)
International 9/11 Memorials
People around the world honor the victims of the September 11 attacks.