A Watchful Door
Doors are used to connect two rooms or to serve as an entrance. Doors are also utilized to ensure privacy. Doors might also be used to spy and to serve as a watchdog just like in this current instance. Here, this particular door has been designed in a strange way. This door is skeptic.

This door has a well-bordered space in the middle of it. Someone behind that door has the absolute privilege to peek from the opening provided in center. It can be used to see who is passing by or what is going on without opening the door. It is irritating for those passing by.