(If you click on the photos you might get a better and clearer view)
This first photo is probably between 1905 to 1915 of Saint Joseph Cathedral (that's what's written on this vintage postcard and I'm sticking with that story:)
This photo of the same cathedral, I mean, church, was taken around 2008 or 2009, some 100 years later:
List the changes you see and number them in your comments.
And just to make things more fun, of the two photos, which are "before" and "after?"