Mosaic, Emperor Justinian on left, the Virgin and Child in center, Emperor Constantine on right, Orea Porta (Vestibule Gate), Hagia Sophia Grand Mosque, 537 AD, UNESCO World Heritage Site, Sultanahmet, Istanbul, Turkey, Europe

mosaic byzantine art hagia sophia istanbul turkey virgin mary christ child emperor church city model gold throne seated holding flanked figures religious icon history empire ancient culture architecture travel destination landmark world heritage tourism religion faith iconography historical landmark istanbul attractions cultural heritage visual arts sacred art christianity