The new CCTV building, known as "the big underpants", has again become the focus. A book named "Content" published recently by its designer, Rem Koolhaas, unravels the mystery of "the big underpants" and interprets its connotation as a worship of male and female genitals: the main building is a woman lying face down with her buttocks outwards, and the annex is the corresponding male genitalia.