Turkey, Istanbul, Sultanahmet, Haghia Sophia minaret behind sign for Free Wifi hospot.

Turkey, Istanbul, Sultanahmet, Haghia Sophia sightseeing tourists entering the Outer Narthex leading to the Imperial Gate entrance.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Minaret with sightseeing tourists entering the Outer Narthex leading to the Imperial Gate entrance.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Sightseeing tourists in the grounds with the dome towering above them.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Mural of a six winged seraph or angel below the central dome.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Sighseeing tourists beneath the dome with murals and chandeliers in the Nave of the Cathedral.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Sighseeing tourists beneath the dome with murals and chandeliers in the Nave of the Cathedral.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Sighseeing tourists beneath the dome with murals and chandeliers in the Nave of the Cathedral.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Sighseeing tourists beneath the dome with murals and chandeliers in the Nave of the Cathedral.

Turkey, Istanbul, Sultanahmet, Haghia Sophia People walking through the Imperial Gate with mosaics above and the Nave of the Cathedral beyond.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Christian murals and Muslim iconography in calligraphic roundels together in the domed interior.

Turkey, Istanbul, Sultanahmet, Haghia Sophia Christian murals and Muslim iconography in calligraphic roundels together in the domed interior.