+Polders are low-lying tracts of land, often reclaimed from a body of [Water](/wiki/water) through human effort. These fertile areas are encircled by [Dikes](/wiki/dike) and require constant drainage to prevent flooding, a testament to shaping the earth.
+## See also
+- [Land Reclamation](/wiki/land_reclamation)
+- [Wetland](/wiki/wetland)
+- [Flood Control](/wiki/flood_control)
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