Aerial view over the Eider Barrage / Eidersperrwerk at the mouth of the river Eider near Tönning on Germany's North Sea coast, Schleswig-Holstein, Ger Stock Photo - Alamy
Eider Canal - Wikiwand
HOTEL ENTSPANNEN AN DER TONNINGER EIDER TOENNING (Germany) - from US$ 99 | BOOKED
tönning, northern germany, dithmarschen, eider, city | Pikist
THE 10 BEST Things to Do Near Eider Barrage, Toenning - Tripadvisor
File:Toenning von eiderbruecke aus.jpg - Wikimedia Commons