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J Markwell: Pillbox at Walton-on-the-Naze
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J Markwell: Coastal erosion at Walton-on-the-Naze
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J Markwell: Walton-on-the-Naze
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J Markwell: Beach at Walton-on-the-Naze
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J Markwell: Lagoon at Walton-on-the-Naze
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J Markwell: Pillboxes at Walton-on-the-Naze
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J Markwell: Sea defences & sailing boats at Walton-on-the-Naze