<prompt> Translate the following text to EnglishKama wewe kuondoka kwa mlango katika mwisho wa kusini wa narthex, kugeuka na kuangalia juu juu ya mlango kuona nzuri ya karne ya kumi mosaic ya maliki na malkia kutoa ishara ya Hagia Sophia na Constantinople kwa Bikira Maria na Mtoto.  <response>: As you leave by the door at the south end of the narthex, turn round and look up above the door to see a beautiful tenth-century mosaic of an emperor and empress offering symbols of Haghia Sophia and Constantinople to the Virgin Mary and Child. 