Lighting technology is one of the most fertile areas of design, involving technical issues, energy, shape and form, and even psychology, and covers both light sources and/or illuminated spaces. The object of this book therefore is to bring together projects that exemplify the complexity of the relationship between artificial lighting and architecture. This rappor has witnessed some extraordinary technical developments in the past few years, even influencing the very ideas of architecture and space, sometimes with spectacular results and frequently introducing conceptual innovation.