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the Blue Mosque: Hagia Eirene, Hagia Sophia, Blue Mosque in the blue dusk

Hagia Eirene, Hagia Sophia, Blue Mosque in the blue dusk

The three main landmarks of Sultanhamet - the Church of the Holy Peace, built in its present form in 740; the Church of the Holy Wisdom, built in 537, transformed into a Mosque in 1453 and into a Museum in 1934; the Blue Mosque, built in 1617.

Credit: Lanfranch / Flickr