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A man walks through the 9/11 Empty Sky memorial across from New York's Lower Manhattan and One World Trade Center in Liberty State Park

A man walks through the 9/11 Empty Sky memorial at sunrise across from New York's Lower Manhattan and One World Trade Center in Liberty State Park in Jersey City, New Jersey, September 11, 2013. Americans will commemorate the 12th anniversary of the September 11 attacks with solemn ceremonies and pledges to not forget the nearly 3,000 killed when hijacked jetliners crashed into the World Trade Center, the Pentagon, and a Pennsylvania field. REUTERS/Gary Hershorn (UNITED STATES - Tags: CITYSCAPE DISASTER ANNIVERSARY TPX IMAGES OF THE DAY)

Photos of the day - September 11, 2013

The best news photos of the day for September 11, 2013.