NYC 9/11 Memorial Surpasses 4 Million Visitors

Visitors have come from all 50 states and 170 countries to see the two giant reflecting pools ringed by waterfalls that make up the memorial

Thursday, Aug 9, 2012 | Updated 5:52 PM EDT

Flowers and American flags are arranged on the north pool of the National September 11 Memorial during a ceremony marking the 10th anniversary of the attacks at the World Trade Center, Sunday, Sept. 11, 2011 in New York. (AP Photo/Mary Altaffer)

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More than 4 million people have visited the Sept. 11 memorial at the World Trade Center since it opened last summer on the 10th anniversary of the terror attacks.

The National September 11 Memorial & Museum announced the milestone Thursday.

The nonprofit foundation says visitors have come from all 50 states and 170 countries to see the two giant reflecting pools ringed by waterfalls that make up the memorial.

Memorial President Joe Daniels says all those visitors are helping to preserve the memory of those who died.

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