Why this "falling rocks" sign is more important than most

In Brienz/Brinzauls, a small village in the east of Switzerland, there's a village slipping into a valley and a road that's surprisingly dangerous. Thanks to everyone I interviewed: pull down the description for links and more details!

CCTV footage from Geopraevent, used with permission: https://www.geopraevent.ch/
More details on the Brienz radar: https://www.geopraevent.ch/project/rockfall-radar-brienz/

CSD Engineers: https://www.csd.ch/en

Camera: Alicja Pahl
Producer: Sebastian Capeda at Viven https://viven.ch
Editor: Michelle Martin https://twitter.com/mrsmmartin

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