People walk the grounds at the ground zero memorial site after authorities opened the plaza to the public free of charge on May 16, 2014 in New York City. Prior to today, visitors had to wait in line to enter a barricaded area which includes the newly dedicated National September 11 Memorial Museum. Together with the museum, Ground Zero has become one of the top tourist attractions in the nation with tens of thousands of visitors expected yearly.
{"Image ImageDescription": "NEW YORK, NY - MAY 16:  People walk the grounds at the ground zero memorial site after authorities opened the plaza to the public free of charge\non May 16, 2014 in New York City. Prior to today, visitors had to wait in line to enter a barricaded area which includes the newly dedicated National September 11 Memorial Museum. Together with the museum, Ground Zero has become one of the top tourist attractions in the nation with tens of thousands of visitors expected yearly.  (Photo by Spencer Platt/Getty Images)", "Image Copyright": "2014 Getty Images"}