Looking to the seaside from the top of the dike. Interestingly, no beach and no water are in this place (and many others, too). Every now and then, the flood covers the area. Thus the soil is very salty and only very specialized plant can grow here. It’s not possible to use it for growing food or building houses.
But, It’s an area absolutely necessary for some birds. So, many of these areas are preserved at certain times of the year.
In German, these area is called Salzwise (salt meadow or salt marsh).