Returning to ground zero after months of 9/11 cleanup efforts | 60 Minutes Archive

As 9/11 cleanup came to a close, 60 Minutes visited ground zero and saw how the tons of debris were carefully combed for human remains and for artifacts of what was once there.

As 9/11 cleanup came to a close, 60 Minutes visited ground zero and saw how the tons of debris were carefully combed for human remains and for artifacts of what was once there.