Sunrise over Ground Zero, ten years after morning of the deadliest attack on U.S. soil.
Police were out in full force due to concerns about a possible Al Qaeda attack as New Yorkers began streaming into Ground Zero to attend a memorial ceremony.
President Obama and first Lady Michelle Obama joined the Bushes at Ground Zero for what will be a full day of memorials. They will also make a stop in Shanksville, Pennsylvania and will return to Washington for a ceremony at the Pentagon.
Deborah Gembara, Reuters.
