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Ralph Apeldoorn: Šmartno
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Ralph Apeldoorn: Šmartno
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Ralph Apeldoorn: Pula Citadel
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Ralph Apeldoorn: Rijeka tunnel
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Ralph Apeldoorn: Rijeka tunnel
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Ralph Apeldoorn: Rijeka tunnel
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Ralph Apeldoorn: Vipavski Križ
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Ralph Apeldoorn: Isonzofront
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Ralph Apeldoorn: Silvia @ Isonzofront
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Ralph Apeldoorn: Isonzofront
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Ralph Apeldoorn: Fort Predel
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Ralph Apeldoorn: Fort Predel
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Ralph Apeldoorn: Fort Predel
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Ralph Apeldoorn: Kunstfort Vijfhuizen
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Ralph Apeldoorn: Krujë
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Ralph Apeldoorn: Krujë Castle
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Ralph Apeldoorn: Krujë Castle
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Ralph Apeldoorn: Krujë Castle
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Ralph Apeldoorn: Krujë Castle
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Ralph Apeldoorn: Rozafa Castle
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Ralph Apeldoorn: Rozafa Castle
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Ralph Apeldoorn: Rozafa Castle
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Ralph Apeldoorn: Rozafa Castle
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Ralph Apeldoorn: Rozafa Castle
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Ralph Apeldoorn: Shelegur-Germenj Reserve
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Ralph Apeldoorn: Gjirokastër Fortress
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Ralph Apeldoorn: Safety first!
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Ralph Apeldoorn: Gjirokastër Fortress
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Ralph Apeldoorn: Gjirokastër Fortress
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Ralph Apeldoorn: Gjirokastër Fortress