As the urbanlization in Taipei City, it developed an "underground street" urban patterns to solve the city development issues, but causing some problems such us underground energy consumption, lack of identity and ventilation obstical. Combining the tunnel-windand by Piston Effect and underground street entrance, we reused the climatic conditions,the vertical energy collection and building structures to create a self-supply energy gallary. When solving the problems of urbanlization in Taipei City, we try to create a new urban experience space.