During 80’s – 90’s era the capitalism in Bangkok, Thailand has raised the number of shopping center. That is the public space for all. Apostrophys have a chance to renovate “Spiral Staircase” a symbol of wealth and luxury. But nowadays, it turned to be the abandon space as also occurs at “Central Plaza Bangna” has proposed the renovation plan for the existing staircase as an “Installation art” meets a variety program of activities for everyone like an urban park. We point out that can be possible because it is locate at the prime area, which can be seen in many angles. And it also vertical linked the floor level from second to fifth floor by a unique spiral staircase. Then, we do the research to find out the concept. The “Tree of life” has been lunched. In conclusion, the staircase renovation of “Central Plaza Bangna” is the integration between technology advance and the spirit of handcraft which, aims to revive the abandon space to extend its life and to be a place for everyone to live together with the sense of nature.