Andrew is interviewed at Union Square before Circle of Hope.

Union Sq., about 6:30 pm

The banner at Union Sq., about to start march to Ground Zero

The banner at the WTC site, as the Circle is made

After the Circle

The Towers in Light

Sonia Morron, widow of Jorge Luis Morron Garcia

Thousands gathered in New York City's Union Square Wednesday before marching to a vigil at the World Trade Center site