<prompt> Translate the following text to SwahiliYou enter the Haghia Sophia church through the central portal, acrosea worn and well polished threshold of verd antique, and under a ninth-century mosaic of Christ Pantocrator, into the long, narrow narthex, running to right and left.  <response>: Kanisa la Hagia Sophia lina sehemu ya juu ya ukuta wa kanisa, na chini ya mosaic ya karne ya tisa ya Kristo Pantocrator, ina narthex ndefu na nyembamba. 