After long searching, with a help of parents we found also signs given by Spanish friends.
First of all – we found your sign saying “animals crossing the road” similar to ours.
These are signs found by Szymon and Szymon;)
We found a collection of signs about regional monuments or heritage.
As our city is known as a place of industrial tourism, most of them are connected with coal mines, coal mining museum or coal mine`s well. Here you can see the gallery of those finded by Maksymilian, Szymon and teacher Anna: