Der Boden unter unseren Füssen, unter der Wirtschaft zum Transit – wie ist er beschaffen? Ist er wirklich so giftig, wie manch eine/r behauptet? Oder stimmt es, dass hier gigantische Trinkwasserreserven lagern? Herr Hans Gonella, Sprecher der Zürcher Wasserwerke, klärt uns auf.
Danach eine praktische Übung mit Lehm: Wir formen das Jahr 2022 und 2023, bestenfalls in einer Figur.
—
Dienstag, 20. Dezember
☘︎
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☘︎
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