Men at Work Superb stained glass depicts a city hard at work and provides the solver with the job of finding 16 differences between the images. Copyright © 2002-2024 All-Star Puzzles All rights reserved

Credit: Photographs in the Carol M. Highsmith Archive, Library of Congress, Prints and Photographs Division.    To view the original image: http://www.loc.gov/pictures/collection/highsm/item/2016631130/