The most stellar period of Mesopotamia was under Artukid rule after 1101 AD when Hasankeyf became the capital and also one of the most important centres on the Silk Road.
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It was known as Hısn Keyfa (Rock Castle) at that time.
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The bridge which once spanned the Dicle (Tigris) River and connected the two parts of the city with the ruined palace inside the citadel evokes the ghosts of a vanished dynasty.
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The 15th century Zeynel Bey Mausoleum, attractively decorated with turquoise tiles, shows Persian influence.