Source: Pixabay Before it was a mosque, Hagia Sophia was the crowning achievement of Byzantine architecture and the spiritual centre of the Eastern Roman Empire. Built in the sixth century

Source: Pixabay The year 1453 marked one of the great turning points in world history, and Hagia Sophia stood at its centre. When the Ottomans took Constantinople under the sultan

Source: Pixabay Hagia Sophia is one of the most extraordinary buildings in the world, a monument that has served as a cathedral, a mosque, and a museum across nearly fifteen