De have always had to pay.
there are free city days, but you need to be resident of Chicago
January 7-10, 14-17, 21-24 and 28-31 February 4-7, 11-14, 19-21 and 25-28
In the link, it tells you the days off for Illinois residents .. https://chicago.curbed.com/2018/1/9/16871088/chicago-museums-free-admission-days
There are days off in the city, but you need to be a resident of Chicago.
Please I want the answer in Spanish please
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