I have been making a point to take a picture of the growing Trump Tower from time to time as I walk by.
The site used to house the old Chicago Sun Times building, a drab 1950s building that oddly enough, I liked for some reason.
Here are my two most recent pics of the Trump building, taken about three weeks apart.

And below is one I took today...
Here is a time-elapsed webcam of the feat from the Chicago Tribune.
More info here....