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The House-Monument of the Bulgarian Communist Party , Buzludzha peak, Buzludzha, Bulgaria
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Athens, Greece
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Peles Castle, Sinaia, Romania
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Turda Salt Mines(Salina Turda) , Romania
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Wooden Churches, Maramures County , Romania
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Grand Bazar, Istanbul, Turkey
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Hagia Sophia, Istanbul, Turkey
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Sultan Ahmet Mosque, Istanbul, Turkey
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Alexander Nevsky Cathedral , Sofia , Bulgaria
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Bran Castle , Romania
