Article Photos: Oklahoma City tree planting remembers 9/11, Murrah Building bombing 27/33

Jennifer Walker of Ardmore hugs her two children after placing flowers on the chair bearing the name of her dad, David Jack Walker, who worked in the Department  of Housing and Urban Development offices. Her son's name is Walker, 13, who was named for his grandfather. Her daughter is Graecin (cq), 7. An estimated crowd of 2,000  attended the  Remembrance Ceremony to mark  the 17th anniversary of the 1995 bombing of the Alfred P. Murrah Federal Building in downtown Oklahoma City in which 168 people were killed.  Photo taken April 19, 2012.        Photo by Jim Beckel, The Oklahoman