The CCTV Headquarters is a 234 m (768 ft), 44-storey skyscraper in the Beijing Central Business District (CBD) and serves as headquarters for China Central Television (CCTV). Groundbreaking took place on 1 June 2004 and the building's facade was completed in 1 January 2008. Rem Koolhaas and Ole Scheeren of OMA were the architects in charge for the building, while Arup provided the complex engineering design.