Delta Works was completed by the Europoortkering which required the construction of the Maeslantkering in the Nieuwe Waterweg between Maassluis and Hoek van Holland and the Hartelkering in the Hartel Canal near Spijkenisse. The works were declared finished after almost forty years in 1997. In reality the works were finished on 24 August 2010 with the official opening of the last strengthened and raised retaining wall near the city of Harlingen, Netherlands. Due to climate change and relative sea-level rise, the dikes will eventually have to be made higher and wider. This is a long term uphill battle against the sea. The
Land of Oz Winkie Country, between two settled areas. In "Glinda of Oz", Ozma speaks of her duty to discover all these stray corners of Oz. In "The Wonderful Wizard of Oz", a yellow brick road leads from the lands of the Munchkins to the Emerald City. Other such roads featured in other works: one from Gillikin Country in "The Marvelous Land of Oz", and a second one from Munchkin Land in "The Patchwork Girl of Oz". Oz is completely surrounded on all four sides by a desert which insulates the citizens of the Land of Oz from discovery and invasion. In the