These huge inlets feed many of the country's rivers into the North Sea

These large inlets fed many of the country’s rivers into the North Sea,and during storms they allowed flood water to surge inland.Using a series of dams, the Delta into expansive lakes that serve as nature preserves and community parks.However, this solution wouldn’t work for the Nieuwe Waterweg.As the lifeblood of the local shipping industry,this passage had to be kept open in safe conditions,and barricaded during storm surges.