This is a European post office building. The structure and appearance of the building on each platform are different, but it has a golden post horn
π― sign. In the 19th-20th century, postmen would blow postal codes to remind them, such as the arrival or departure of postal carriages, so π― represents postal services. It generally means post office, but it can also mean the building, mailing and post. Sometimes it can be mixed with the Japan Post Office
π£.