1. Keyword 1: Public Space1.1 Scopes of “Public XXX”1.1.1 Public & PublicnessTo comprehend ‘public space’, the critical fact is to clarify ‘public’ as well as to distinguish ‘public’ and ‘privacy’. Since the late 1960s, the ‘public’ has been a subject of intense interest by philosophers, sociologists, anthropologist, architects, political scientists, and urban planners. In general, Hannah Arendt, an American political theorist, was deemed the first modern scholar researched the “public” in her book, The Human Condition (1958). She provided human beings are social or political animals, so that rationalized the term “public” in a political context, which as vital to the relationship between the individual and reality. “Public” was defined in two closely interrelated but not altogether identical phenomena dimensions, publicity and common. The publicity means that which is seen, perceived by everybody, moreover, common means which are “assembles all of us together” in the world.