Snow cannons are being increasingly targeted by environmentalist groups.
There have been cases of vandalism in Haute Savoie and canton Valais.
The machines in Les Gets, La Clusaz and Verbier have been attacked with hammers and drills and have had power and water systems ripped out.
Some were marked with the Extinction Rebellion logo and slogans saying the machines are an ‘absurdity’ and wasteful.
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