The general development trend of urban public space is diversified functions and diverse forms. Various public spaces carry various functions such as transportation, communication, rest, walking, watching, fitness, entertainment, catering, display, education, and festivals. A variety of people, a variety of activities, a variety of events, the convergence of a variety of stories to create the vitality of the place, this is the charm of public space.
Transportation is one of the most important functions and attributes of public space. It carries the role of transportation or concentrated people. Here is an example in Weimar, Herderplatz.