Y2K and Casa da Musica in Porto. two new works designed by Koolhaas. reflect his ripe experience in metropolis and architecture and working way characterized by himself.

• “Y2K”私人住宅和波多音乐厅是库哈斯最近的两个作品，具有他在城市与建筑方面的成熟经验和鲜明的个人化的工作方式。