The concept of mobile housing likely to have room for development. Architect James Law built a transitional OPod Tube House built from a new spare concrete pipe in Hong Kong. The OPod Tube House, is an experimental low cost, micro-living housing unit constructed out of a 2.5 meters diameter concrete water pipe. The architect injected new ideas into Hong Kong’s housing policy. It has good fire prevention, wind protection, noise insulation and heat insulation. In addition, the structure of the water pipe itself is suitable for being buried in the ground so that it can withstand enormous pressure. Let us take a look at the features of tube house built from new spare concrete pipes.