A polder, a reclaimed land area protected by dikes, with fields and waterways.
Keywords
polder,
reclaim,
land,
area,
protect,
dike,
field,
waterway,
marsh,
engineering,
wetland,
water,
egress,
recharge,
farmland,
route,
structure,
canal,
control,
climate,
station,
sector,
drainage,
surge,
system,
coastal,
level,
landscape