** ADVANCE FOR SUNDAY APRIL 22, 2012 AND THEREAFTER **This May 1973 photo released by the U.S. National Archives shows ongoing urban development and construction on lower Manhattan's West side, just north of the World Trade Center, right, in New York. The image was taken as part of the new Environmental Protection Agency's "Documerica" program, 1972-1977, to document . (AP Photo/U.S. National Archives, Wil Blanche)
