The Eede-Aardenburg air watchtower is one of the 276 lookout posts built in the Netherlands during the Cold War.
With a bunker as its foundation and on top of a floodbank, Air Guard Tower 5K3 offered a broad view over the Hollandsch Diep and the Mariapolder beyond.
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Once a year, the Arenberg coal mine and two abandoned railway bridges play a starring role during the passage of the spring cycle classic: Paris-Roubaix.
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