Neither islands nor mainland: the unique Halligen islands are located in the Wadden Sea Biosphere Reserve.
Director:
Invalid Date
Jul 6, 2023
Oct 29, 2021
Aug 28, 2005
Apr 17, 2008
Nov 1, 2007
Aug 17, 2021
Oct 2, 1979
Apr 2, 1976
Apr 1, 2009
Oct 9, 2025
Feb 18, 1980
Sep 8, 2017
Jan 25, 2024
Jun 30, 2022
Aug 29, 2023
Sep 12, 2023
Jun 27, 2024