Design a "system" not just landscape design, respond to the topic "elastic landscape" and design a set of "protective, predictive, mitigation, adaptability" to explore Shezidao for government measures the negative impact, as well as the natural flood itself. The bridge implied the connection between Taipei City and the forgotten island that bridge the past and the future. Sponge city is infrastructure and beneficial cause it is also changing the living environment, helping with flood and creating a better living quality life here. The new island can be like sponges. They have good “elasticity” in adapting to environmental changes and responding to natural disasters. They absorb water, store, seep, and purify when it rains. They can “release” or use stored water when needed.