Architecture, Building and Structure Design Engineering Renewal Academic Exchange Center by Tian Tian Engineering Renewal is an academic exchange center formed by the renovation of a single-story hospital building in Guigang. The original three compartment layout is kept, while a ring beam cover plate, independent steel columns, a cable system and a new two-story space support the structure. The roof tiles are resurfaced. Glass and steel are the main interior materials, with imitation wood as a complement. A painting and calligraphy exhibition hall and a sunlit atrium room are included. The former 375 square meter building gains 587 square meters, reaching 962 square meters.