The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Dike_(construction)" id="mw8Q" rel="mw:WikiLink" title="Dike (construction)">dike</a> around the Dutch <a href="https://en.wikipedia.org/wiki/Polder" id="mw8g" rel="mw:WikiLink" title="Polder">polder</a> <a href="https://en.wikipedia.org/wiki/Zuiderzee_Works#The_Flevolands" id="mw8w" rel="mw:WikiLink" title="Zuiderzee Works">East Flevoland</a> is closed.