Fisher Body 21 Plant in Detroit. (Yves Marchand and Romain Meffre) Symbolizing the dramatic decline of Motor City, many buildings and structures in the former manufacturing mecca of Detroit, Mich. lay in crumbling and weather-beaten ruins. In his bestselling book, "The World Without Us," Alan Weisman(who has reported from abandoned cities such as Chernobyl, Ukraine and Varosha, Cyprus) wrote thatstructures crumble as weather does unrepaired damage and other life forms create new habitats. A common structure would begin to fall...