Timelapse footage shows a stream of clouds appear to avalanche down into the Grimsel Pass in the Swiss Alps.
WATCH: 'River of clouds' seen in Swiss Alps
![](https://patabook.com/news/wp-content/uploads/2024/09/240829_abc_social_swissalps_hpMain_16x9.jpg)
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Timelapse footage shows a stream of clouds appear to avalanche down into the Grimsel Pass in the Swiss Alps.