Swiss Lakes and rivers – Seen und Flüsse der Schweiz – Lacs et rivières de Suisse
Underwater footage – Unterwasser-Aufnahmen – Prises de vues subaquatiques

X01-M02 (60 s)
Gravel is swirled around by the current of a mountain stream, Gruyères

X01-M06 (60 s)
Algae in the swirling currents of a mountain stream, Gruyères

X01-M08 (60 s)
At the bottom of the Broye Canal after a large ship had passed through

X01-M07 (60 s)
Exploring the dam of Lake Schiffenen with a ROV
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