| gptkbp:instanceOf | gptkb:historic_site 
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                                | gptkbp:alsoKnownAs | gptkb:Theodosian_Walls 
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                                | gptkbp:built | 5th century 
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                                | gptkbp:builtBy | gptkb:Theodosius_II 
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                                | gptkbp:category | gptkb:city gptkb:Byzantine
 World Heritage Sites in Turkey
 tourist attractions in Istanbul
 
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                                | gptkbp:conservationEfforts | ongoing 
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                                | gptkbp:coordinates | 41.0086°N 28.9638°E 
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                                | gptkbp:destroyedBy | earthquakes sieges
 
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                                | gptkbp:feature | gptkb:castle gptkb:Yedikule_Fortress
 gates
 double walls
 inner wall
 interval towers
 outer wall
 
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                                | gptkbp:function | city defense 
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                                | gptkbp:historicalEvent | gptkb:Fall_of_Constantinople_(1453) gptkb:Siege_of_1204
 gptkb:Siege_of_626
 
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                                | gptkbp:influenced | gptkb:castle 
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                                | gptkbp:inspiredBy | medieval fortifications 
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                                | gptkbp:length | approximately 6.5 km 
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                                | gptkbp:locatedIn | gptkb:Istanbul gptkb:Turkey
 
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                                | gptkbp:material | gptkb:brick gptkb:stone
 
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                                | gptkbp:notableFor | gptkb:Golden_Gate gptkb:Edirnekapı
 gptkb:Belgradkapı
 gptkb:Yedikule_Gate
 
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                                | gptkbp:partOf | gptkb:Walls_of_Constantinople 
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                                | gptkbp:restored | gptkb:Ottoman_sultans Byzantine emperors
 
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                                | gptkbp:significance | protected Constantinople for centuries 
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                                | gptkbp:status | partially preserved 
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                                | gptkbp:touristAttraction | yes 
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                                | gptkbp:UNESCOWorldHeritageSite | gptkb:Historic_Areas_of_Istanbul 1985
 
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                                | gptkbp:bfsParent | gptkb:Historic_Areas_of_Istanbul 
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                                | gptkbp:bfsLayer | 5 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Istanbul Land Walls 
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