Stock Photo: Aya Sofya, or Haghia Sophia, Sultanahmet district of Istanbul Commissioned by Emperor Justinian, the 6th century church of Aya Sofya - now a museum - remains the greatest Byzantine building ever constructed.
Stock Photo: 4272-32544 Aya Sofya, or Haghia Sophia, Sultanahmet district of Istanbul Commissioned by Emperor Justinian, the 6th century church of Aya Sofya - now a museum - remains the greatest Byzantine building ever constructed.