the marker wadden, the newest bit of the netherlands, artificial archipelago in development located in the markermeer, a lake in

applying archipelago architecture artificial birdlife birds clay coast coastline cultural delta development dikes dunes dutch ecological ecosystem environment flats flevoland freshwater future heritage holland horizon lake land landscape lelystad manmade marker markermeer marshes mud nature natuurmonumenten netherlands new reign restoration sand scenic shore silted sludge structure tides unique values wadden water wetland zuiderzee