Columbine High School shooting memorial

The words "Never Forgotten" are surrounded by short biographies of the victims of the April 20, 1999, Columbine tragedy, at the memorial in Clement Park, behind Columbine High School in Littleton, Colo. Visitors from across the U.S. come regularly to pay their respects and reflect on the events of 13 years ago.

advertisement | advertise on newsday