The September 11 Memorial is expected to become one of the most popular attractions in New York, with up to 10,000 visitors a day. More than 66,000 people applied for visitor passes to the memorial in the first three days of reservations opening [this week]. A private ceremony for victims’ families is being held at the site on September 11, the 10th anniversary of the attacks. It opens to the public on September 12. This image is a  computer-generated renderings of what the site will look like when completed.