The International Wadden Sea School (IWSS) is a network and service platform for Wadden Sea World Heritage education.
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Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 3562 of /home/v-iwssdem-c7f705/htdocs-054108C32343/includes/bootstrap.inc).Welcome to the International Wadden Sea School
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