Formidable fortresses - 20 imposing castles

Take a look at these formidable fortresses from around the world - maybe not the most beautiful castles but they cast an imposing and impressive shadow on the landscape.

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Formidable fortresses - 20 imposing castles

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Formidable fortresses - 20 imposing castles

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Formidable fortresses - 20 imposing castles

Formidable fortresses - 20 imposing castles

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The world's most fantastic fortresses