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Château de Fère-en-Tardenois
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Ch%C3%A2teau_de_F%C3%A8re-en-Tardenois">Château de Fère-en-Tardenois</a>]]>
Château du Haut Koenigsbourg
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Ch%C3%A2teau_du_Haut_Koenigsbourg">Château du Haut Koenigsbourg</a>]]>
Donjon de Houdan
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Donjon_de_Houdan">Donjon de Houdan</a>]]>
Fort Boyard
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Fort_Boyard">Fort Boyard</a>]]>
Fort Douaumont
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Fort_Douaumont">Fort Douaumont</a>]]>
Fort Vaux
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Fort_Vaux">Fort Vaux</a>]]>
Fort de Brégançon
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Fort_de_Br%C3%A9gan%C3%A7on">Fort de Brégançon</a>]]>
Quéribus Borg
<![CDATA[<br>Source: Wikipedia article <a href="https://da.wikipedia.org/wiki/Qu%C3%A9ribus_Borg">Quéribus Borg</a>]]>
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