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| Aigues Mortes - Plans, Section and Elevation of the Tour de Constance | |
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| Anadoli Kavak - Plan of Hieron Castle | |
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| The Gateway | |
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| Angers - The Chateau from the South | |
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| Arques - The Chateau from the South | |
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| Arundel Castle - Plan of the Castle | |
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| Ashby-de-la-Zouche - The Chapel | |
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| Athens - The Dipylon | |
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| Basement Windows | |
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| Beaumaris Castle - Plan of the Castle | |
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| The North Gatehouse from within the Bailey | |
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| Beeston Castle - The Castle from the West | |
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| Bodiam Castle - Plan of the Castle | |
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| The Castle from the North | |
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| The South and West Ranges of the Courtyard | |
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| Borcovicium - Plan of the Roman Camp | |
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| Borthwick Castle - Plan of the Castle | |
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| The Tower from the North-West | |
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| Bothwell Castle - The Keep from within the Bailey | |
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| Brinklow Castle - Plan of the Castle | |
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| Caerlaverock Castle - The Gatehouse | |
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| Caernarvon Castle - Plan of the Castle | |
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| The Castle from the South-East | |
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| The Eagle Tower from within the Bailey | |
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| Plan and Section of the King's Gate | |
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| The King's Gate from the North-East | |
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| Caerphilly Castle - Plan of the Castle | |
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| The Screen Wall from the South-East | |
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| Elevation and Section of the Outer Gateway | |
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| The East Gateway from the Inner Bailey | |
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| Details of the East Gatehouse | |
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| Towers of the Screen Wall | |
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| Cahors - The Pont Valentre | |
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| Cairo - Plan of Bab Al-Futuh | |
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| Bab An-Nasr | |
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| Burg Ez-Zefer. Plan of the East Gateway | |
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| Burg Ez-Zefer. The East Gateway from Without | |
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| Plan and Section of the Burg Muqattam | |
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| Old Cairo - Plan of the Fortress of Babylon in Egypt | |
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| Camber Castle - Plan of the Castle | |
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| Canterbury - The Castle. Plans, Section and Elevation of the Keep | |
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| The Castle. Window of the Keep | |
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| The West Gate of the City. Loophole | |
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| Chateau Gaillard - Plan of the Chateau | |
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| The Donjon from the East | |
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| Chepstow Castle - Fitz Osbern's Hall from the South | |
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| Marten's Tower | |
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| Window in the Basement of Fitz Osbern's Hall | |
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| Chinon - Plan of the Tour du Coudray | |
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| Chipchase Castle - The Tower from the South-West | |
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| Colchester - Plan of the Balkerne Gate | |
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| Plan of the Keep | |
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| The Keep from the South-East | |
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| Partition Wall in the Keep | |
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| Window in the Keep | |
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| Plan and Section of Fireplace in the Keep | |
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| Fireplace in the Keep | |
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| Conisborough Castle - Plans, Section and Elevation of the Keep | |
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| Window in the Keep | |
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| Constantinople - The Land Walls | |
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| Conway Castle - Plan of the Castle | |
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| The Castle from the North-East | |
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| The Castle from the South-West | |
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| Corfe Castle - The Castle from the South-East | |
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| The Wall Walk through the Keep | |
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| Plan and Section of the Middle Gateway | |
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| Craigmillar Castle - Plans and Section of the Tower | |
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| The Castle from the South-East | |
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| Criccieth Castle - The Castle from the North-West | |
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| Deal Castle - Plan of the Castle | |
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| Denbigh Castle - Plan of the Gateway | |
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| The Gatehouse from the North-East | |
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| Doune Castle - The Castle from the North-East | |
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| The Tower House from within the Bailey | |
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| Leaf of Iron Yett | |
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| Dover Castle - Plan of the Keep | |
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| Drawbridges - Method of Raising Drawbridge | |
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| Ellesmere Castle - Plan of the Castle | |
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| Elphinstone - The Tower from the South | |
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| Etampes - Plans, Section and Elevation of the Donjon | |
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| Exeter Castle - Plan and Section of the Gateway | |
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| Falaise - Loophole in Chateau | |
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| Flint Castle - Plan of the Castle | |
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| Foix - Plan and Section of the Chateau | |
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| The Chateau from the West | |
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| Frejus - Plan of the Porte des Gaules | |
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| Gisors - Plan of the Chateau | |
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| Hadrian's Wall - Plan of Borcovicium | |
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| Hall Windows | |
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| Harlech Castle - Plan of the Castle | |
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| The Castle from the North | |
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| Haughley Castle - Plan of the Castle | |
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| Hittite City - From the Wall of the Great Hypostyle hall of the Ramesseum, Thebes | |
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| Houdan - Plans, Section and Elevation of the Donjon | |
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| Window of the Donjon | |
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| Kenilworth Castle - Plan of the Inner Bailey | |
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| The Keep from the South | |
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| Plan and Section of the Battlements of the Keep | |
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| Window in the Basement of the Keep | |
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| Loophole in the Water Tower | |
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| The Great Hall, Interior | |
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| Khorsabad - Plan of Gateway | |
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| Kirby Muxloe - Loophole in Gateway | |
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| Le Krak des Chevaliers - Plan of the Castle | |
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| Launceston Castle - Plan and Section of the Keep | |
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| The Keep from the East | |
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| Plan of the South Gateway | |
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| The South Gateway from Without | |
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| Lewes Castle - Plan of the Castle | |
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| Leybourn Castle - Section and Elevation of the Gateway | |
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| Loches - Plan of the Donjon | |
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| The Donjon from the South-West | |
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| Window of the Donjon | |
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| Loopholes or Meurtrieres | |
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| London - The White Tower from the South-East | |
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| Longtown Castle - Plans of the Keep | |
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| The Keep from the West | |
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| Lydford Castle - The Keep from the South | |
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| Maiden Castle - Plan of the Castle | |
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| Mallorca - Plan of the Castillo de Bellver | |
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| St. Mawes - Plan of the Castle | |
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| Medinet Habu - Plan of the Outer Gateways | |
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| The Outer Gateways | |
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| Crenellations on the Outer Wall | |
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| Manorbier - Loophole in Battlements of Curtain | |
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| Mycenae - Plan of the Acropolis | |
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| Najac - Plan of the Inner Bailey | |
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| The Chateau from the East | |
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| Newark, Selkirkshire - The Castle from the East | |
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| Nicaea - Plan of the City | |
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| Nimes - Plan of the Porte Auguste | |
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| Old Cairo - Plan of the Fortress of Babylon in Egypt | |
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| Ortenberg - Plan and Section of the Castle | |
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| Parthenay - Porte St. Jacques | |
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| Pembroke Castle - Plan of the Castle | |
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| Plan and Section of the Keep | |
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| The Keep from the South | |
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| The Keep, Interior, looking up towards the Dome | |
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| Loopholes in the Battlements of the Keep | |
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| Plan and Section of the Gateway | |
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| Pendennis Castle - Plans of the Castle | |
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| Pompei - Plan and Section of the Walls | |
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| The Parapets | |
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| Provins - Plan and Section of the Tour de Cesar | |
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| Queenborough - Plan of the Castle | |
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| Restormel Castle - Plan of the Keep | |
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| The Keep from the West | |
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| The Keep, Interior, looking towards the Gateway | |
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| Rhodes - The Ancient Walls | |
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| La Roche Guyon - Plan of the Chateau | |
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| Rochester Castle - The Keep from the North-West | |
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| Fireplace in the Keep | |
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| Roumeli Hissar - The Castle from the West, looking across the Bosporus to Anadoli Hissar on the Asiatic Shore | |
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| Plan and Section of the Black Tower | |
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| The Black Tower from within the Castle | |
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| Sandgate Castle - Plan of the Castle | |
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| Sarzanello - Plan of the Castello | |
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| Senlis - Roman Walls | |
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| Sherborne - Plan of the Castle | |
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| Shutters - Single Shutter | |
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| Double Shutter | |
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| Skenfrith Castle - Plan of the Castle | |
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| The Keep from the South | |
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| Loophole in Wall Tower | |
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| Loophole at Base of Keep | |
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| South Coast Castles - Plans of Walmer, Deal, Sandgate and Camber | |
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| Tamworth Castle - The Castle from the South-East | |
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| The Causeway | |
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| Tantallon Castle - Plan of the Castle | |
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| The Castle from the South-East | |
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| The Castle from the South-West | |
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| Tattershall - The Tower from the South-East | |
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| Threave Castle - The Castle from the South-East | |
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| Plans and Section of the Tower | |
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| Tiffauges - Plan and Section of the Tour du Vidame | |
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| Battlements of the Tour du Vidame | |
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| Timgad - Plan of the Byzantine Citadel | |
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| Tiryns - Plan of the Fortress | |
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| Totnes Castle - Plan of the Castle | |
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| Trematon Castle - Plan of the Castle | |
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| Loophole in the Battlements of the Keep | |
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| Loophole in the Gatehouse | |
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| Troy - The East Gate and a Portion of the Wall of the Sixth City | |
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| Troyenstein - Plan and Section of the Castle | |
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| Walmer Castle - Plan of the Castle | |
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| Warwick Castle - Plan of the Castle | |
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| The Keep from within the Bailey | |
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| Plans and Section of Caesar's Tower | |
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| Caesar's Tower and the Gatehouse from within the Bailey | |
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| Plan and Section of the Gatehouse and Barbican | |
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| The Gatehouse and the Wall Walk on the Curtain | |
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| Visby - The Town Walls | |
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| Windows | |
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| Yett | |
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| York - The Multangular Tower from the South-West | |
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| The Multangular Tower, Interior | |
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| Plan and Section of Clifford's Tower | |
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| Clifford's Tower from the North-East | |