This is the bottom line and fortunately, exceptional... in the world, but not in Italy (Rome and Napoli).
An example of totally unattractive public transport, both for using and photographing. By the way, there is a fairly good chance that the interior is as dirty as the exterior: I experienced this once there.
The local Covid-19 measures mean that the windows cannot be raised and therefore remain open.
Actually, I am curious to know how the tram and trolleybus operation is going there now.