Underwater camera and doorbell at Weerdsluis lock in Utrecht.
Helps fish migrate during breeding season.
š Ring the world's first fish doorbell
š Help thousands of fish migrate through the lock
š Watch a livestream of underwater activity
š Learn about fish migration and local history
šļø Operational from early March to late May.
š± Livestream and doorbell available on the project's website.
š Operates seasonally, from early March to late May.
Utrecht, Netherlands
Last updated 1 day ago
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