Tomorrow world design center is a temporary building left over from the Shanghai World Expo. Over the years, there have been several different owners, and they have undertaken various modifications to the interior of the building. So, the final structure of the internal structure is relatively complex and confusing. Surprisingly, this unintentional confusion naturally reveals the strength and beauty of the building. Therefore, the designers decided to retain and to expose the original steel structure of the spherical grid, and to extend the traces of the original steel structure.