The influence of light and shadow on people is invisible and direct. It is the most important element that makes objects behave more three-dimensional and realistically. Although light and shadow are everywhere, it is often the easiest to be ignored. The architecture is produced by the characteristics of light and shadow is the best way to connect with the surrounding environment. Natural light is the most primitive and charming. This project explores how light and shadow might give the opportunity to change the social environment, architecture and people.