First_pound_lock_in_Europe_.281373.29 List_of_Dutch_inventions_and_discoveries

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eastern scheldt storm surge barrier. delta works , zuiderzee works have been declared 1 of 7 wonders of modern world american society of civil engineers.



the zuiderzee works turned zuiderzee fresh water lake ijsselmeer, , created 1650 km² of land. flood control , land reclamation have been ongoing through history, making dutch among world s leading experts in hydraulic engineering. dutch have demonstrated feasible safely live below sea level. 30% of netherlands lies below sea level. also, 55% of area vulnerable flooding, , 29% susceptible river flooding. small-sized country few natural resources, 1/6 of entire country (about 7,000 km2 in total) has been reclaimed sea, lakes, marshes , swamps. has led old dutch saying, god created world, dutch created holland (or netherlands) .


the netherlands revived construction of canals during 13th–14th century had been discontinued since fall of roman empire. contributed in development of canal construction technology, such introducing first flash locks in europe. first pound lock in europe built dutch in 1373 @ vreeswijk, canal utrecht joins river lek.








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