According to the definition of collective space, which is the place of interaction and mutual communication of citizens and a place for their gathering and conversation, the heights of Tehran city can have a very high ability to become collective spaces with the relative advantage of their viewpoint. The high points of the city of Tehran have a potential advantage to become a collective space in the sense that they are a place to get a complete picture of the city and obtain a common perception of it. To create collective spaces with the desired pattern, the first step is to find suitable ...