Making the 9/11 Memorial: Survivor Tree - HISTORY

Alice Martin, who lost her husband on September 11, 2001, gets a private tour of the memorial site and learns the story of the Survivor Tree.

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One of the most difficult issues to resolve in the design of the 9/11 Memorial was how to arrange the names of the victims, which are etched into the bronze parapets that ring the Memorial Pools.

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