阿姆斯特丹附近的弗莱福兰省建于1932年，当时莱利提议对须德海（即荷兰艾瑟尔湖）进行改造，采用围垦方案，将城市扩大到数千平方公里。
The province of Flevoland , near Amsterdam , was created in 1932 when Cornelis Lely drained part of the Zuiderzee , expanding the country by several thousand square kilometres .
须德海