| 1. | A state of emergency barred access to many of the polders.
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| 2. | Polders are regions below sea level kept dry only by dikes.
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| 3. | After WWII, Urk's town spread into the polder.
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| 4. | Over 4 kilometers inland is the rural polder village of Wulpen.
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| 5. | And polders below sea level made of organic material are unstable.
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| 6. | Several parts of the city and the surrounding urban area are polders.
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| 7. | The coastal plain consists mainly of sand dunes and polders.
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| 8. | Doubts began to surface about the cost-effectiveness of the polder.
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| 9. | Albrandswaard actually is a polder located between Rhoon and Poortugaal.
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| 10. | Circa 1624 the smaller polders Bosschenpolder and Nieuwlandpolder were added to it.
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