Roses float in a reflecting pool at the World Trade Center site in New York during a ceremony commemorating the eighth anniversary of the 9-11 attacks

Roses float in a reflecting pool at the World Trade Center site in New York during a ceremony commemorating the eighth anniversary of the attacks. Chang W. Lee/AP

Christian Science Monitor In Pictures: Remembering 9/11

Related:

• On the eighth anniversary of 9/11, New York remembers