It is common to see some picture frames in many restaurants, particularly in Canada. One may not know the reason why. It is not a purely aesthetic decision, but also a historical and cultural decision as well. Nonetheless, you will notice the common patterns how they are displayed in certain dining places.
Whether you are a restaurant owner or a customer, it is important to know why and how picture frames are used in restaurants so you know what kind of places to eat that seem to be more pleasurable and comfortable.