In the twentieth century architecture disappeared. The built product of modernization is not modern architecture, but junk space. Although its individual parts are the outcome of brilliant inventions, lucidly planned by human intelligence, boosted by infinite computation, their sum spells the end of enlightenment, its resurrection as farce, a low-grade purgatory.' Rem Koolhaas, The Harvard Guide to Shopping. Where do we go from here, if architecture has disappeared? As the declining urban substance of Europe intersects with China in ascension, Koolhaas explores the ironies and possibilities of a reconfigured globalized world. He discusses several recent OMA and AMO projects including the HOLLOCORE