In Hongkong, there are quite a lot of gigantic buildings that light until the late night. Big city’s night view is beautiful, yet menacing at the same time. In this work, the immense building started to be divided against itself and reorganize like self-replicating organisms. The sources of New Building are captured from various buildings at night. Its transformation looks like propagation with forceful vitality. Human’s traces could not be seen in this building. 3-dimensional screen was added to form more fragmented and distorted scenery.