TARDIS 2005–10, the roundels are built into hexagonal recesses in the walls. Ever since the TARDIS was redesigned at the beginning of the 2010 series, there have been a range of different roundel designs around the console room. These include circular holes that are recessed deep into the walls, hexagonal holes that are lit from behind each face, round indents with brass rings around the outside, and a glass centre that is illuminated blue. In "The Day of the Doctor", when the TARDIS' control room briefly appears as the War Doctor's room, the Eleventh Doctor points out to the Tenth Doctor
Palace of Antiochos small circular rooms, situated between the apses. A marble pool was located in the center of the hall, a feature common in Late Antiquity. The hexagonal "triclinium" was flanked by other rooms, grouped along the outer curve of the great portico, including an elaborate vestibule with a circular room at its center. The northern section, located between the street that ran along the western wall of the Hippodrome and the "Mese" thoroughfare, was until recently misidentified as the Palace of Lausus. It comprised a large rotunda of 20 m diameter with niches on the wall, which seems to have functioned