Pedzisa mutsara unotevera: Midziyo yakakura uye yakanyatsogadzirirwa kudzivirira mafashamo inowanikwa muNetherlands, uko inonzi Delta Works nedhamu reOosterschelde sechinhu chayo chikuru. Mabasa aya akavakwa mukupindura
Mafashamo eNorth Sea muna 1953, kumaodzanyemba kwakadziva kumadokero kweNetherlands. VaDutch vakanga vatovaka rimwe remadhamu makuru zvikurusa munyika kuchamhembe kwenyika yacho. Kuvharwa kweAfsluitdijk kwakaitika muna 1932.