They instead are placed directly on the stylobate. The double stylobate has three pillars carved in relief. The office building which served as a stylobate for the complex was completed in 2008. It stands on a platform or stylobate of three steps. It stands on a stylobate which supports six Doric columns and an entablature. Measured at the stylobate, the dimensions of the base of the Parthenon are . On the stylobate, often completely surrounding the naos, stand rows of columns. The roof of the stylobate is made exploitable for fountains, terraces, and cafes. The temple measures at the level of the temple platform, the "stylobate". Under the stylobate is multi-level parking for 1,292 cars. Additionally, the 12 stones which comprise the stylobate may also reference the 12 months. The stylobate is the platform on which the columns stand. Placed on the stylobate are the vertical column shafts, tapering towards the top. The Stylobate was slightly curved, whether this also applied to the superstructure remains unclear.