Hagia Sophia Autumn, Beach, Bird, Food, Gardens & parks, Museum, Nature + People pictures

• Istanbul
• Turkey
• Europe
• World

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.