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L’evacuazione del paese di Blatten in Vallese ha riportato alla memoria la minaccia delle frane. Dalla Buzza di Biasca, passando per il dramma di Bondo in Bregaglia, fino all’evacuazione di Brienz nei Grigioni: la Svizzera è terra di montagne e di conseguenza anche di frane. Ma sono effettivamente aumentate negli ultimi anni?
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https://www.rsi.ch/s/703647
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