Again, not really a sign as such but on a simple level I love the way this document's function affects the way it looks.
Plus it also shows hanzi going vertically as well as horizontally, which is a topic that come up from time to time.
Question: What's the other script, and what kind of document is this? (Click picture to enlarge.)
Caption: "A petition against changes to education policy signed by all the residents of Dalanhua Village, Chifeng Municipality, Inner Mongolia.
From Ethnic Mongols protest Beijing’s push for Mandarin-only classes, SupChina, 1 Sep 2020.