“Set on a site that’s about as large as 37 football fields, Rem Koolhaas’s television authority headquarters in Beijing may initially seem intimidating. This 54-story tower leans and looms like some kind of science-fiction creature poised to stomp all over the surrounding central business district. But if the five-million-square-foot building is one of the largest ever constructed, its architect sees it as a people-friendly reinvention of the skyscraper.”