They were quite surprised about it themselves: the oldest working planetarium in Franeker has been a world heritage site since this year. This makes it just as special as the Great Wall of China, the pyramids of Giza or the Grand Canyon. This is the story of how the inconspicuous house in Franeker proudly ended up on the List of Lists.
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Frisian planetarium now world heritage: ‘The fact that this worked is a hoot’
