Image of industrial Monterrey taken from http://fermintellez.blogspot.com.es/2007/12/fundidora-monterrey-fotos-de-ayer-y-hoy.html

Lille grew by a combination of industries, mainly the textiles ; Bilbao and Monterrey were clearly two steel cities, and Chattanooga, as Glenn Miller reminds in his song, grew by the rail. When industries got into trouble and pollution was deemed horrible (Bilbao and Chattanooga were not helped by scenic, but impractical hills for that matter), they became problem cities. What is interesting is to see how they avoided becoming a Detroit (whose story is still running…).