Exterior of the Casa da Musica concert hall, Rem Koolhaas architect, Oporto, Portugal, Europe

New CCTV Central Chinese Television building designed by Rem Koolhass of the Office for Metropolitan Architecture (OMA), in Guomao CBD, Beijing, China, Asia

New CCTV Central Chinese Television building designed by Rem Koolhass of the Office for Metropolitan Architecture (OMA) in Guomao CBD, Beijing, China, Asia

CCTV TV station HQ by OMA Rem Koolhaas architecture studio, built in 2009, Central Business District, Beijing, China, Asia

Seattle Public Library, designed by Rem Koolhaas and Joshua Prince-Ramus, Seattle, Washington, United States of America, USA

The China Central Television Building under construction in Beijing, China. The imposing building was designed by Dutch architect Rem Koolhaas, cost an estimated US $600million, and is scheduled be completed in time for the Beijing Olympics in 2008.