Blossom is an interactive sculpture, that was made by geometric structure and mathematical calculation to simulate flower blossom. It works according to the ambient light and sound. Blossom is an interpretation of the understating of the principle of nature by human being. Geometry is a simplifying presentation of human being’s understanding of the rule of the nature shape or operation. The phrase of “Flowers Blossom and fade” in Chinese is a metaphor for the shortness of human’s life in relation to the endlessness of nature.