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#flevoland #below sea level #polder #water management #almere #lelystad #new towns

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#below sea level #reclaimed land #flood defense #water level #low-lying land #impoldering

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#low land #below sea level #polder #water management #dykes #cycling culture #benelux geography

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#coastal plain #polder #reclaimed land #tideland #below sea level #floodplain