Haute-Saône: 5.5 tons of oyster shells clog a lock

The Saint-Albin lock in Haute-Saône was paralyzed by 5.5 tons of shellfish shells.

Published 15sem1 source

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The fact

Divers discovered the obstruction in October 2025, suspecting a nearby restaurant.

The technical failure required an intervention to clear the mechanism.

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Auto-synthesis from 1 media source · identified on July 27, 2026