Las murallas de Teodosio - The Land Walls, of which great parts survive, were built between 408 and 413 by the emperor Theodosios II. A number of gates provided acces to the city, among which the Golden Gate is the most important one. The Land Walls were frequently restored, and they were never taken by a foreign power before 1453 when the Ottomans destroyed parts of it by their artillery.
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