Took the "Evolution of the Skyscraper" tour. Free ...

Took the "Evolution of the Skyscraper" tour. Free when you join the CAF. Cold day, so it ended up being a "private" tour with just the two of us and the docent, Dave Gudewicz.
Learned a lot, discovered new things about Chicago. Check out the Marquette Bldg and the Revival Food Court. Adams & Dearborn.