Istanbul Underground.Part 1.The Great Palace of Constantinopolis
Istanbul is the most populous city in Europe,[b] and the world’s fifteenth-largest city.
Istanbul,Sultanahmet Walking Tour.Blue Mosque,Hagia Sophia,Ayasofya Mosque.Camii.
Walking around Ayasofya,Sultanahmet.Discover Hagia Sophia,Blue Mosque,Topkapı Palace
Sultanahmet,Istanbul is calling You.Ercument Çalıslar is talking about old Istanbul.
Founder of Sultahmet News newspaper and Istanbul Guide speaks about old Istanbul,Hagia Sophia,Blue Mosque.