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Cornelis Lely was a Dutch engineer instrumental in the reclamation of land in the Netherlands. He designed the Zuiderzee Works, a massive project aimed at transforming the Zuiderzee, a former inlet of the North Sea, into a freshwater lake and creating new land through polders. A key component of this project was the construction of the Afsluitdijk, a 19-mile dam completed in 1932 that separated the Zuiderzee from the North Sea, creating the IJsselmeer. The town of Lelystad is named in his honor. His work was crucial in protecting the Netherlands from flooding and expanding its usable land area.12

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