The new CCTV site project is located in the core area of the Central Business District (CBD) in Chaoyang District, Beijing. The CCTV main building consists of two towers with a height of 234 meters and 194 meters respectively. The two towers are connected by a cantilever steel structure with a height of 56 meters, 14 floors and a weight of 18000 tons. The total building area is 473000 square meters, known as "the first public building in China"