Ava Kathleen Schmoelzer, 7, from Stamford, Conn., places flowers for her aunt on the wall overlooking the South Tower reflecting pool on the 11th anniversary of the Sept. 11 terrorist attacks on the World Trade Center 2. (AP Photo/Timothy A. Clary, Pool)

Photo by: Timothy A. Clary

Ava Kathleen Schmoelzer, 7, from Stamford, Conn., places flowers for her aunt on the wall overlooking the South Tower reflecting pool on the 11th anniversary of the Sept. 11 terrorist attacks on the World Trade Center 2. (AP Photo/Timothy A. Clary, Pool)