Rheims, with its wealth of Art-Deco buildings, offers an overwhelming number of interesting architectural details. Here's a small sampling.
The first two are from houses.
The next is from the interior of a bakery.
This is a section of a frieze on the facade of the Carnegie Library.
The last two details come from the Opera cinema: one of series of stained-glass lights below the awning, and part of the facade's main frieze.