This photo of flags on a building at New York's ground zero was taken at midnight on Sept. 25, 2001, by photographer Joel Meyerowitz who was granted unparalleled access to the site. The photo is from the Museum of the City of New York's photographic show "The City Resilient," a collection of 73 of Meyerowitz's images (AP Photo/Joel Meyerowitz, Museum of the City of New York)