“…Furthermore, pop-up environments can allow the creation of new infrastructures in the contexts of city centers, characterized by the desire to preserve the historical heritage, by the rigidity of urban plans, and by many practical, technical, and legal limitations [8,11]. In the context of these areas, pop-up environments are proposed as a valid alternative to traditional architectural planning, as these structures, which are quick to install, flexible, and reversible, allow users to meet their needs without affecting the historical heritage and evading any bureaucratic problems [14,73]. It has been seen, from the case studies, how pop-up environments have created new public spaces, otherwise impossible in the historic city center, defining not only new functions, such as cultural and artistic events, but also new perspectives panoramic and landscape for the city [105,106,108,109].…”