Mezue ahịrịokwu na-esonụ: Mgbalị mbụ ndị e mere iji mee ka ala dịghachi mma n'ebe ndịda ọdịda anyanwụ Rhine-Meuse delta dị na Netherlands malitere n'oge ochie. Kemgbe ahụ, mpaghara ahụ enweela ọtụtụ oké ifufe na ọnọdụ ihu igwe siri ike, n'etiti nke ndị
idei mmiri nke 1953 nke dugara na owuwu nke Delta Works. Iwu nke mgbochi mmiri, mgbochi mmiri na mgbochi mmiri, na iwusi ma bulie dike na mpaghara ahụ, na mbụ mere ka nchekwa nke idei mmiri dịkwuo elu. Otú ọ dị, ka oge na-aga, ala dị n'azụ dike malitere imikpu nke bụ nnukwu nsogbu n'ihi ịrị elu nke oke osimiri.