Considering the global problems of shantytown rectification and demolition would cause hundreds of floating population can not be properly resettled. We came up with an idea of a cheap temporary housing. By introducing diffused light, we can create a bright, peaceful living space for the homeless and the floating population, which gives them a precious opportunity to relax, and escape from stress. As an ideal sample we choose Kunshan City, an industrial city in the process of industrial transformation for our demonstration. We tried several different designs for this project, and finally came up with the following design.