New lighting systems and equipment are emerging as a result of the ongoing paradigm shift in how energy is used, how efficiently it is used, and how many resources are consumed. The objective of this book is to create transient light settings that interpret the current urban environment in a seasonal or multi-year cycle. The book comprises a number of pieces, including ones on "Light architecture," "In search of light," "Light planning for cities in China," and "City light," in addition to the presentation of instances of light-planning in Paris, Shanghai, Helsinki, Mekka, and Frankfurt am Main. A tool for urban planning, "Borders, Places, and Light," "Earth and Spirit," and other phrases by Roger Narboni (Wolfgang Rang).