Spreker: Olaf Op den Kamp Toegang: € 2,- inclusief koffie of thee Tijdens deze lezing maakt u kennis met de Worm die in het Aachener Wald uit kleine bronbeekjes ontspringt en bij Kempen ten noorden van Heinsberg eindigt als rivier die uitstroomt in de Rur. Onder de stad Aken stroomt de rivier via rioolbuizen ondergronds…
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