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nature:The publication can be read as a book. But it can also be divided into sections by tearing the pages along the perforated lines. This makes it possible to lay down a complete ‘river’ – a meandering circle. |
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nature:The publication can be read as a book. But it can also be divided into sections by tearing the pages along the perforated lines. This makes it possible to lay down a complete ‘river’ – a meandering circle. |