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'Things are getting unstable': global heating and the rise of rockfalls in Swiss Alps | Switzerland | The Guardian
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'Things are getting unstable': global heating and the rise of rockfalls in Swiss Alps | Switzerland | The Guardian
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Things are getting unstable': global heating and the rise of rockfalls in Swiss Alps | Switzerland | The Guardian
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Things are getting unstable': global heating and the rise of rockfalls in Swiss Alps | Switzerland | The Guardian
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