9/11: Ground Zero’s RespondersWithin minutes of the World Trade Center collapse on 9/11/01, emergency personnel and volunteers from around the nation responded to New York's call for help in what is considered by many as the greatest rescue mission ever.

When everything could have totally fallen apart, these remarkable people revealed to the world the true meaning of the American Spirit.

Ground Zero responders relive their haunting experiences on the tenth anniversary of the 9/11 attacks.

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