Una puntata di
https://www.rsi.ch/kids/scelta/piccoli/serie/?id=704167
Gli altri
Energia con le mucche
Un contadino bernese produce biogas partendo dal letame delle sue vacche. Con Maja Brunner
Contenuto audio
Kids
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Un contadino bernese produce biogas partendo dal letame delle sue vacche. Con Maja Brunner
Contenuto audio
Una puntata di
https://www.rsi.ch/kids/scelta/piccoli/serie/?id=704167
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