Question: The remains of the Alfred P. Murrah Federal Building were imploded, and what memorial that honors the victims, survivors, and rescuers is located at the original building site?
Sentence (from "Alfred P. Murrah Federal Building"): It was the target of the Oklahoma City bombing on April 19, 1995 at 9:02am, which killed 168 people, 19 of whom were children under the age of six.
Relevant evidence: No