1) Lake of Lower Saxony 
The Sandwater near Simonswolde (in the municipality of Ihlow) in the north German district of Aurich is a shallow fen (Niedermoor) lake on the edge of the geest and is one of the few remaining, preserved, natural `inland seas` in East Frisia. The lake was formed probably during the warm climatic period of the Atlantic (period) about 5000 years a.....