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Peo è un po’ triste perché quest’inverno, per il momento, di neve ne è caduta poca. Ma perché nevica? Perché la neve è bianca? Come è fatta esattamente? Perché a volte la neve non arriva? E invece cosa è la neve artificiale? Come la si fabbrica? Mamma mia quante domande... riuscirà il nostro amico blu a trovare le risposte?
Scopri la serie
https://www.rsi.ch/s/702524
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