Glad you enjoyed your trip. Downtown Chicago is easy to photograph because it is very photogenic. I really think the Daniel Burnham plan made old turn of the 19th century Chicago great. Unfortunately they never finished his plan and tore down a lot of the great old building in it, some as late as the early 1980's!! What some of these big American cities have torn down breaks your heart, but the new high rises are making up for it now. Although not up to NYC, Chicago is still doing pretty well and is a lot more "polished" than NYC. Funny thing about Chicago is some of the bad southside neighborhoods have some of the nicest old houses, left behind by the rich as they moved to the north Shore.