Four-legged lawnmowers, called sheep, are keeping ski slopes in good shape over summer and prevent erosion, overgrowth, and avalanches.
![](https://innovationinpolitics.eu/wp-content/uploads/2020/01/5a21bc18b293b.jpg)
Four-legged lawnmowers, called sheep, are keeping ski slopes in good shape over summer and prevent erosion, overgrowth, and avalanches.