Joe Daniels, president of the National September 11 Memorial & Museum, left, New York City Mayor Michael Bloomberg, center, and CEO of C.V. Starr and Co. Maurice Greenberg throw dirt on the 50th tree ... more 
Joe Daniels, president of the National September 11 Memorial & Museum, left, New York City Mayor Michael Bloomberg, center, and CEO of C.V. Starr and Co. Maurice Greenberg throw dirt on the 50th tree to be planted at ground zero in New York, Tuesday, Oct. 26, 2010. less 
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Associated Press | Photo By Seth Wenig
Tue, Oct 26, 2010 4:14 PM EDT