Hagia Sophia, the world famous monument of Byzantine architecture

ancient antique architecture asia attractions attraction ayia sofia buildings building byzantine cultures culture deserted empty eurasia europe's europe famous place hagia sophia historical historic islamic istanbul province istanbul landmark memorial site memorials memorial monument mosques mosque museums museum nobody no one no people old place of interest religious building sacral building sacred building sight southwest asia southwestern asia structure tourist attractions tourist attraction tourist landmark travel photography turkey turkish turk uninhabited west asia western asia world celebrated world famous